Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Manufacture, use & exposure

Uses at industrial sites

Documentsopen allclose all

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Reference
Name:
Tungsten Trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten Trioxide
Contributing activity / technique for the environment
Name of activity / technique:
Metal oxide catalyst
Environmental release category (ERC):
ERC6a: Use of intermediate
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Metal oxide catalyst
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
Product category used:
PC 19: Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC41: Oil and gas exploration or production products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC1: Manufacture of the substance
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
ERC5: Use at industrial site leading to inclusion into/onto article
ERC6a: Use of intermediate
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Reference
Name:
Tungsten Trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten Trioxide
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 5: Mixing or blending in batch processes
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 21: Laboratory chemicals
PC 0: Other: catalyst
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 17/18
Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 to manufacture tungsten metal powder
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 6: Homogenising
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
The following acivities were individually coded as PROC 8b: Step 1: Transfer from drums to process metal containers (OPTIONAL) Step 4: Sieving Step 5: Transfer to mixer Step 7: Filling Step 8: Maintenance
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 3: Reduction process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 7: Base metals and alloys
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workers
Name of activity / technique:
Reactor loading (open and closed processes, PROC 8b), catalyst use in reactor (PROC 1), in-situ regeneration (optional, PROC 1, 2, 4), reactor unloading (PROC 8b), maintenance (PROC 2), and spent/regenerated catalyst storage (PROC 2) of the catalyst use stage.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9) and conveying spent catalyst (open and closed processes, PROC 9) processes within the spent catalyst delivery and handling stage of the ex-situ regeneration operation.
Drying (PROC 2, 3, 4), calcination (oxidation at elevated temperatures) (PROC 1, 2) and screening (adjusting particle size distribution) (open and closed processes, PROC 2) processes of the regeneration stage of the ex-situ regeneration operation.
Filling (transfer to transport containers) (PROC 9) process of the regenerated catalyst packaging, maintenance (PROC 2), cleaning (PROC 2) and regenerated catalyst storage (PROC 2) processes of ex-situ regeneration operation.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9), and conveying spent catalyst (PROC 9) processes of the spent catalyst delivery and handling operation within the recycling operation.
Screening (PROC 2), calcination (oxidation at elevated temperatures) (PROC 1, 2), filling (PROC 9), maintenance (RPOC 2) and cleaning (PROC 2) processes of the pyrometallurgical recycling operation.
Final product storage (PROC 2) of the recycling operation.
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
PROC 13: Treatment of articles by dipping and pouring
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
PROC 15: Use as laboratory reagent
PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
PROC 26: Handling of solid inorganic substances at ambient temperature
Product category used:
PC41: Oil and gas exploration or production products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: Pollution prevention
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes
Insignificant exposure via the following route:
oral
dermal
eye
inhalatory
Insignificant release via the following route:
water
air
soil
Pattern of exposure:
accidental / infrequent

Uses at industrial sites

Registration/ Notification status for the use:
use as intermediate registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Reactor loading (open and closed processes, PROC 8b), catalyst use in reactor (PROC 1), in-situ regeneration (optional, PROC 1, 2, 4), reactor unloading (PROC 8b), maintenance (PROC 2), and spent/regenerated catalyst storage (PROC 2) of the catalyst use stage.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9) and conveying spent catalyst (open and closed processes, PROC 9) processes within the spent catalyst delivery and handling stage of the ex-situ regeneration operation.
Drying (PROC 2, 3, 4), calcination (oxidation at elevated temperatures) (PROC 1, 2) and screening (adjusting particle size distribution) (open and closed processes, PROC 2) processes of the regeneration stage of the ex-situ regeneration operation.
Filling (transfer to transport containers) (PROC 9) process of the regenerated catalyst packaging, maintenance (PROC 2), cleaning (PROC 2) and regenerated catalyst storage (PROC 2) processes of ex-situ regeneration operation.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9), and conveying spent catalyst (PROC 9) processes of the spent catalyst delivery and handling operation within the recycling operation.
Screening (PROC 2), calcination (oxidation at elevated temperatures) (PROC 1, 2), filling (PROC 9), maintenance (RPOC 2) and cleaning (PROC 2) processes of the pyrometallurgical recycling operation.
Final product storage (PROC 2) of the recycling operation.
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: Pollution prevention
Substance supplied to that use in form of:
in a mixture
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of tungsten trioxide powder to manufacture tungsten disulphide powder
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 2: Mixing Operation
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
Step 5: Transfer of tungsten mixture to containers
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
The following activities were individually coded as PROC 8b:
Step 1: Transfer to the Mixer
Step 6: Maintenance
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 3: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 4: Heating process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 24: Lubricants, greases, release products
PC 32: Polymer preparations and compounds
PC 0: Other: PC 19 - Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 7: Base metals and alloys
PC 19: Intermediate
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC1: Manufacture of the substance
Environmental release category (ERC):
ERC2: Formulation into mixture
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 17/18
Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 0: Other: intermediate use
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC1: Manufacture of the substance
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 0: Other: SU3 Industrial Use
Substance supplied to that use in form of:
in a mixture
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
PC 21: Laboratory chemicals
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 2: Adsorbents
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 10: Roller application or brushing
PROC 13: Treatment of articles by dipping and pouring
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
PROC 26: Handling of solid inorganic substances at ambient temperature
PROC 27a: Production of metal powders (hot processes)
PROC 0: Other: intermediate use
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Process category (PROC):
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 0: Other: PC19: intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use as intermediate registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 to manufacture tungsten metal powder
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 6: Homogenising
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
The following acivities were individually coded as PROC 8b:
Step 1: Transfer from drums to process metal containers (OPTIONAL)
Step 4: Sieving
Step 5: Transfer to mixer
Step 7: Filling
Step 8: Maintenance
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 3: Reduction process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 7: Base metals and alloys
PC 19: Intermediate
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Substance supplied to that use in form of:
as such
Insignificant exposure via the following route:
oral
dermal
eye
inhalatory
Insignificant release via the following route:
water
air
soil
Pattern of exposure:
accidental / infrequent

Uses at industrial sites

Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Name of activity / technique:
Use of tungsten trioxide as laboratory reagent
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Use of tungsten trioxide as laboratory reagent
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC1: Manufacture of the substance
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 7: Base metals and alloys
PC 19: Intermediate
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Reactor loading (open and closed processes, PROC 8b), catalyst use in reactor (PROC 1), in-situ regeneration (optional, PROC 1, 2, 4), reactor unloading (PROC 8b), maintenance (PROC 2), and spent/regenerated catalyst storage (PROC 2) of the catalyst use stage.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9) and conveying spent catalyst (open and closed processes, PROC 9) processes within the spent catalyst delivery and handling stage of the ex-situ regeneration operation.
Drying (PROC 2, 3, 4), calcination (oxidation at elevated temperatures) (PROC 1, 2) and screening (adjusting particle size distribution) (open and closed processes, PROC 2) processes of the regeneration stage of the ex-situ regeneration operation.
Filling (transfer to transport containers) (PROC 9) process of the regenerated catalyst packaging, maintenance (PROC 2), cleaning (PROC 2) and regenerated catalyst storage (PROC 2) processes of ex-situ regeneration operation.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9), and conveying spent catalyst (PROC 9) processes of the spent catalyst delivery and handling operation within the recycling operation.
Screening (PROC 2), calcination (oxidation at elevated temperatures) (PROC 1, 2), filling (PROC 9), maintenance (RPOC 2) and cleaning (PROC 2) processes of the pyrometallurgical recycling operation.
Final product storage (PROC 2) of the recycling operation.
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC41: Oil and gas exploration or production products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: Pollution prevention
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 to manufacture tungsten metal powder
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 6: Homogenising
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
The following acivities were individually coded as PROC 8b:
Step 1: Transfer from drums to process metal containers (OPTIONAL)
Step 4: Sieving
Step 5: Transfer to mixer
Step 7: Filling
Step 8: Maintenance
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 3: Reduction process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 7: Base metals and alloys
PC 19: Intermediate
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR
Pattern of exposure:
accidental / infrequent

Uses at industrial sites

Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Reactor loading (open and closed processes, PROC 8b), catalyst use in reactor (PROC 1), in-situ regeneration (optional, PROC 1, 2, 4), reactor unloading (PROC 8b), maintenance (PROC 2), and spent/regenerated catalyst storage (PROC 2) of the catalyst use stage.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9) and conveying spent catalyst (open and closed processes, PROC 9) processes within the spent catalyst delivery and handling stage of the ex-situ regeneration operation.
Drying (PROC 2, 3, 4), calcination (oxidation at elevated temperatures) (PROC 1, 2) and screening (adjusting particle size distribution) (open and closed processes, PROC 2) processes of the regeneration stage of the ex-situ regeneration operation.
Filling (transfer to transport containers) (PROC 9) process of the regenerated catalyst packaging, maintenance (PROC 2), cleaning (PROC 2) and regenerated catalyst storage (PROC 2) processes of ex-situ regeneration operation.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9), and conveying spent catalyst (PROC 9) processes of the spent catalyst delivery and handling operation within the recycling operation.
Screening (PROC 2), calcination (oxidation at elevated temperatures) (PROC 1, 2), filling (PROC 9), maintenance (RPOC 2) and cleaning (PROC 2) processes of the pyrometallurgical recycling operation.
Final product storage (PROC 2) of the recycling operation.
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC41: Oil and gas exploration or production products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: Pollution prevention
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 0: Other: Manufacture of fine chemicals
Sector of end use:
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
ERC6a: Use of intermediate
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Registration/ Notification status for the use:
use as intermediate registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Tungsten trioxide as intermediate substance in the manufacture process of Sodium Tungstate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
The following activities were individually coded as PROC 3:
Step 2: Dissolution process
Step 3: Crystallisation
Step 4: Drying
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 1: Transfer to tank
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 5: Packaging
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Insignificant exposure via the following route:
oral
dermal
eye
inhalatory
Insignificant release via the following route:
water
air
soil

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
ERC6a: Use of intermediate
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 5: Mixing or blending in batch processes
PROC 7: Industrial spraying
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
PROC 13: Treatment of articles by dipping and pouring
PROC 21: Low energy manipulation of substances bound in materials and/or articles
PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
Product category used:
PC 0: Other:
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other:
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC1: Manufacture of the substance
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of Tungsten Trioxide catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Reactor loading (open and closed processes, PROC 8b), catalyst use in reactor (PROC 1), in-situ regeneration (optional, PROC 1, 2, 4), reactor unloading (PROC 8b), maintenance (PROC 2), and spent/regenerated catalyst storage (PROC 2) of the catalyst use stage.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9) and conveying spent catalyst (open and closed processes, PROC 9) processes within the spent catalyst delivery and handling stage of the ex-situ regeneration operation.
Drying (PROC 2, 3, 4), calcination (oxidation at elevated temperatures) (PROC 1, 2) and screening (adjusting particle size distribution) (open and closed processes, PROC 2) processes of the regeneration stage of the ex-situ regeneration operation.
Filling (transfer to transport containers) (PROC 9) process of the regenerated catalyst packaging, maintenance (PROC 2), cleaning (PROC 2) and regenerated catalyst storage (PROC 2) processes of ex-situ regeneration operation.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9), and conveying spent catalyst (PROC 9) processes of the spent catalyst delivery and handling operation within the recycling operation.
Screening (PROC 2), calcination (oxidation at elevated temperatures) (PROC 1, 2), filling (PROC 9), maintenance (RPOC 2) and cleaning (PROC 2) processes of the pyrometallurgical recycling operation.
Final product storage (PROC 2) of the recycling operation.
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC41: Oil and gas exploration or production products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: Pollution prevention
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use as intermediate registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of tungsten trioxide powder to manufacture tungsten disulphide powder
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 2: Mixing Operation
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
Step 5: Transfer of tungsten mixture to containers
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
The following activities were individually coded as PROC 8b:
Step 1: Transfer to the Mixer
Step 6: Maintenance
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 3: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 4: Heating process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 24: Lubricants, greases, release products
PC 32: Polymer preparations and compounds
PC 0: Other: PC 19 - Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Substance supplied to that use in form of:
as such
in a mixture
Insignificant exposure via the following route:
oral
dermal
eye
inhalatory
Insignificant release via the following route:
water
air
soil
Pattern of exposure:
accidental / infrequent

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 to manufacture tungsten metal powder
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 6: Homogenising
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
The following acivities were individually coded as PROC 8b:
Step 1: Transfer from drums to process metal containers (OPTIONAL)
Step 4: Sieving
Step 5: Transfer to mixer
Step 7: Filling
Step 8: Maintenance
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 3: Reduction process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 7: Base metals and alloys
PC 19: Intermediate
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR
Pattern of exposure:
accidental / infrequent

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of tungsten trioxide to manufacture sodium tungstate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 1: Transfer to tank
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Dissolution process
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 3: Crystallisation
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 4: Drying
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 5: Packaging
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 7: Base metals and alloys
Sector of end use:
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR but not a lead’s own use

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 5: Mixing or blending in batch processes
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 26: Handling of solid inorganic substances at ambient temperature
PROC 27a: Production of metal powders (hot processes)
Product category used:
PC 24: Lubricants, greases, release products
PC 32: Polymer preparations and compounds
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 17/18
Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6c: Use of monomer in polymerisation processes at industrial site (inclusion or not into/onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of tungsten trioxide as laboratory reagent
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Name of activity / technique:
Professional use of laboratory reagent containing tungsten trioxide
Process category (PROC):
PROC 15: Use as laboratory reagent
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR but not a lead’s own use

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environmentopen allclose all
Name of activity / technique:
Use of tungsten trioxide catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Name of activity / technique:
Use of WO3 catalysts including regeneration and recycling
Environmental release category (ERC):
ERC6a: Use of intermediate
Name of activity / technique:
Use of tungsten trioxide catalysts including regeneration and recycling
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 1: Catalyst delivery & handling - Storage & Delivery
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 1: Catalyst delivery & handling - Emptying containers
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Catalyst screening
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Name of activity / technique:
Step 3: Repacking (hopper loading, supersack/drum filling etc)
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Name of activity / technique:
Step 3: Repacking (hopper loading, supersack/drum filling) - Transport round site (crane/forklift)
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 5: Reactor Loading (solid catalyst)
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Name of activity / technique:
Step 5: Reactor Loading (solid catalyst) - Continuous loading (open)
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 5: Reactor Loading (Solid Catalyst) - Dense Loading - Fixed bed reactor
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 5: Reactor Loading (Solid Catalyst) - Liquid systems
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 6 - Catalyst use in reactor
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 7: Chemical transformation in reactor
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 8: Reactor Unloading (Solid Catalysts)
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Name of activity / technique:
Step 8: Reactor Unloading (Solid Catalysts) - Wet unloading
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Name of activity / technique:
Step 8: Reactor Unloading (Solid Catalysts)
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 9: Spent/in-situ regenerated catalyst storage
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
Maintenance / Cleaning
Process category (PROC):
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
PC 21: Laboratory chemicals
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR but not a lead’s own use

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC1: Manufacture of the substance
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 15: Use as laboratory reagent
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 0: Other: intermediate use
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 17/18
Reference
Name:
Tungsten trioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Tungsten trioxide
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC8c: Widespread use leading to inclusion into/onto article (indoor)
Environmental release category (ERC):
ERC8f: Widespread use leading to inclusion into/onto article (outdoor)
Environmental release category (ERC):
ERC10a: Widespread use of articles with low release (outdoor)
Environmental release category (ERC):
ERC11a: Widespread use of articles with low release (indoor)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 7: Industrial spraying
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 10: Roller application or brushing
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Process category (PROC):
PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
Product category used:
PC 9a: Coatings and paints, thinners, paint removes
Sector of end use:
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
SU 15: Manufacture of fabricated metal products, except machinery and equipment
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Tungsten trioxide as intermediate substance in the manufacture process of Sodium Tungstate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
The following activities were individually coded as PROC 3:
Step 2: Dissolution process
Step 3: Crystallisation
Step 4: Drying
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 1: Transfer to tank
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 5: Packaging
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC5: Use at industrial site leading to inclusion into/onto article
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 17: General manufacturing, e.g. machinery, equipment, vehicles, other transport equipment
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use of tungsten trioxide to manufacture tungsten metal
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 1: Raw material transfer
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 3: Reduction process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Name of activity / technique:
Step 4: Sieving
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 5: Transfer to mixer
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 6: Homogenising
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 7: Filling
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 8: Maintenance
Process category (PROC):
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 7: Base metals and alloys
Sector of end use:
SU 14: Manufacture of basic metals, including alloys
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Contributing activity / technique for the environment
Name of activity / technique:
Use at industrial sites - Use of tungsten trioxide to manufacture tungsten disulphide
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
Step 1: Transfer to the Mixer
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 2: Mixing Operation
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Name of activity / technique:
Step 3: Furnace charging
Process category (PROC):
PROC 26: Handling of solid inorganic substances at ambient temperature
Name of activity / technique:
Step 4: Heating process
Process category (PROC):
PROC 27a: Production of metal powders (hot processes)
Name of activity / technique:
Step 5: Transfer of tungsten mixture to containers
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Name of activity / technique:
Step 6: Maintenance
Process category (PROC):
PROC28: Manual maintenance (cleaning and repair) of machinery
Product category used:
PC 24: Lubricants, greases, release products
PC 32: Polymer preparations and compounds
PC 0: Other: PC 19- Intermediate
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR but not a lead’s own use

Uses at industrial sites

Contributing activity / technique for the environmentopen allclose all
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Environmental release category (ERC):
ERC6a: Use of intermediate
Environmental release category (ERC):
ERC6b: Use of reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
Product category used:
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC5: Use at industrial site leading to inclusion into/onto article
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Process category (PROC):
PROC 4: Chemical production where opportunity for exposure arises
Process category (PROC):
PROC 5: Mixing or blending in batch processes
Process category (PROC):
PROC 7: Industrial spraying
Process category (PROC):
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Process category (PROC):
PROC 10: Roller application or brushing
Process category (PROC):
PROC 13: Treatment of articles by dipping and pouring
Process category (PROC):
PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
Product category used:
PC 9a: Coatings and paints, thinners, paint removes
Sector of end use:
SU 13: Manufacture of other non-metallic mineral products, e.g. plasters, cement
SU 15: Manufacture of fabricated metal products, except machinery and equipment
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
yes
Related assessment:
use assessed in a joint CSR but not a lead’s own use

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Tungsten trioxide as intermediate substance in the manufacture process of Sodium Tungstate
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workersopen allclose all
Name of activity / technique:
The following activities were individually coded as PROC 3:
Step 2: Dissolution process
Step 3: Crystallisation
Step 4: Drying
Process category (PROC):
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
Name of activity / technique:
Step 1: Transfer to tank
Process category (PROC):
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
Name of activity / technique:
Step 5: Packaging
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 19: Intermediate
Sector of end use:
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
PC 21: Laboratory chemicals
PC 0: Other:
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no

Uses at industrial sites

Contributing activity / technique for the environment
Name of activity / technique:
Use of WO3 catalysts including regeneration and recycling
Environmental release category (ERC):
ERC4: Use of non-reactive processing aid at industrial site (no inclusion into or onto article)
Contributing activity / technique for workers
Name of activity / technique:
Reactor loading (open and closed processes, PROC 8b), catalyst use in reactor (PROC 1), in-situ regeneration (optional, PROC 1, 2, 4), reactor unloading (PROC 8b), maintenance (PROC 2), and spent/regenerated catalyst storage (PROC 2) of the catalyst use stage.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9) and conveying spent catalyst (open and closed processes, PROC 9) processes within the spent catalyst delivery and handling stage of the ex-situ regeneration operation.
Drying (PROC 2, 3, 4), calcination (oxidation at elevated temperatures) (PROC 1, 2) and screening (adjusting particle size distribution) (open and closed processes, PROC 2) processes of the regeneration stage of the ex-situ regeneration operation.
Filling (transfer to transport containers) (PROC 9) process of the regenerated catalyst packaging, maintenance (PROC 2), cleaning (PROC 2) and regenerated catalyst storage (PROC 2) processes of ex-situ regeneration operation.
Semi-bulk delivery of spent catalyst (PROC 2), storage of spent catalyst (PROC 2), emptying of containers of spent catalyst (PROC 9), and conveying spent catalyst (PROC 9) processes of the spent catalyst delivery and handling operation within the recycling operation.
Screening (PROC 2), calcination (oxidation at elevated temperatures) (PROC 1, 2), filling (PROC 9), maintenance (RPOC 2) and cleaning (PROC 2) processes of the pyrometallurgical recycling operation.
Final product storage (PROC 2) of the recycling operation.
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC41: Oil and gas exploration or production products
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
SU 0: Other: Pollution prevention
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant for this use:
no
Related assessment:
use assessed in a joint CSR but not a lead’s own use

Uses at industrial sites

Contributing activity / technique for the environment
Environmental release category (ERC):
ERC6a: Use of intermediate
Contributing activity / technique for workers
Process category (PROC):
PROC 1: Chemical production or refinery in closed process without likelihood of exposure or processes with equivalent containment conditions
PROC 2: Chemical production or refinery in closed continuous process with occasional controlled exposure or processes with equivalent containment conditions
PROC 3: Manufacture or formulation in the chemical industry in closed batch processes with occasional controlled exposure or processes with equivalent containment conditions
PROC 4: Chemical production where opportunity for exposure arises
PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
PC 21: Laboratory chemicals
PC 0: Other:
Sector of end use:
SU 8: Manufacture of bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant for this use:
no