Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 231-975-2 | CAS number: 7783-03-1
Manufacture, use & exposure
Uses by professional workers
Documentsopen allclose all
Uses by professional workers
Contributing activity / technique for the environment
- Name of activity / technique:
- Use of tungstic acid in research and development
- Environmental release category (ERC):
- ERC8a: Widespread use of non-reactive processing aid (no inclusion into or onto article, indoor)
- ERC8d: Widespread use of non-reactive processing aid (no inclusion into or onto article, outdoor)
Contributing activity / technique for workers
- Name of activity / technique:
- Various research and development activities at room temperature using tungstic acid include mixing or blending formulations, article preparations using low energy activities at laboratories and industrial sites
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- PROC 15: Use as laboratory reagent
- PROC 20: Use of functional fluids in small devices
- Product category used:
- PC 7: Base metals and alloys
- Sector of end use:
- SU 24: Scientific research and development
- Substance supplied to that use in form of:
- as such
- in a mixture
- Subsequent service life relevant to this use:
- no
- Related assessment:
- use assessed in a joint CSR but not a lead’s own use
Uses by professional workers
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC8a: Widespread use of non-reactive processing aid (no inclusion into or onto article, indoor)
- ERC8d: Widespread use of non-reactive processing aid (no inclusion into or onto article, outdoor)
Contributing activity / technique for workers
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- PROC 15: Use as laboratory reagent
- PROC 20: Use of functional fluids in small devices
- Subsequent service life relevant to this use:
- no
Uses by professional workers
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC8b: Widespread use of reactive processing aid (no inclusion into or onto article, indoor)
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
- Subsequent service life relevant to this use:
- no
Uses by professional workers
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC8b: Widespread use of reactive processing aid (no inclusion into or onto article, indoor)
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Step 1:Transport and Preparation
- Process category (PROC):
- PROC 8a: Transfer of substance or mixture (charging and discharging) at non-dedicated facilities
- Name of activity / technique:
- Step 2: Mixing and preparation
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- Product category used:
- PC 0: Other: Catalyst
- Sector of end use:
- SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
- SU 0: Other: Industrial uses: Uses of substances as such or in preparations at industrial sites
- Subsequent service life relevant to this use:
- no
- Related assessment:
- use assessed in a joint CSR
Uses by professional workers
Contributing activity / technique for the environment
- Name of activity / technique:
- Use of dihydrogen wolframate in research and development
- Environmental release category (ERC):
- ERC8a: Widespread use of non-reactive processing aid (no inclusion into or onto article, indoor)
- ERC8d: Widespread use of non-reactive processing aid (no inclusion into or onto article, outdoor)
Contributing activity / technique for workers
- Name of activity / technique:
- Various research and development activities at room temperature using dihydrogen wolframate include mixing or blending formulations, article preparations using low energy activities at laboratories and industrial sites.
- Process category (PROC):
- PROC 5: Mixing or blending in batch processes
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- PROC 15: Use as laboratory reagent
- PROC 20: Use of functional fluids in small devices
- Product category used:
- PC 7: Base metals and alloys
- Sector of end use:
- SU 24: Scientific research and development
- Substance supplied to that use in form of:
- as such
- in a mixture
- Subsequent service life relevant to this use:
- no
- Related assessment:
- use assessed in a joint CSR
Uses by professional workers
Contributing activity / technique for the environment
- Environmental release category (ERC):
- ERC8c: Widespread use leading to inclusion into/onto article (indoor)
- ERC8d: Widespread use of non-reactive processing aid (no inclusion into or onto article, outdoor)
- ERC8f: Widespread use leading to inclusion into/onto article (outdoor)
Contributing activity / technique for workers
- Process category (PROC):
- 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 10: Roller application or brushing
- PROC 13: Treatment of articles by dipping and pouring
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- PROC 15: Use as laboratory reagent
- PROC 20: Use of functional fluids in small devices
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Subsequent service life relevant to this use:
- yes
Uses by professional workers
Contributing activity / technique for the environment
- Name of activity / technique:
- Use of paint and ceramic glaze containing tungstic acid
- Environmental release category (ERC):
- ERC8c: Widespread use leading to inclusion into/onto article (indoor)
- ERC8f: Widespread use leading to inclusion into/onto article (outdoor)
Contributing activity / technique for workers
- Name of activity / technique:
- Use of glaze containing tungstic acid to manufacture ceramics
- Process category (PROC):
- 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 10: Roller application or brushing
- PROC 13: Treatment of articles by dipping and pouring
- 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 to this use:
- yes
- Related assessment:
- use assessed in a joint CSR but not a lead’s own use
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
