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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Classification & Labelling & PBT assessment

GHS

General Information

Name:
molybdenum trioxide
Implementation:
EU
Type of classification:
harmonised classification
Remarks:
Existing classification in accordance with Commission Regulation (EC) No 790/2009 of 10 August 2009 amending, for the purposes of its adaptation to technical and scientific progress, Regulation (EC) No 1272/2008 of the European Parliament and of the Council on classification, labelling and packaging of substances and mixtures. Index No. 042-001-00-9. For the sake of completeness, all precautionary statements relating to the hazard classes assigned to molybdenum trioxide have been included below. For actual labels the supplier should select the precautionary statements in accordance with articles 22 and 28 of Regulation (EC) No 1272/2008.

Related composition

Related composition:
Boundary composition: molybdenum trioxide
Legal Entity Composition: Molybdenum trioxide (Climax Molybdenum - 2)
Legal Entity Composition: Molybdenum trioxide (Climax Molybdenum - 1)

Classificationopen allclose all

Explosives
Reason for no classification:
data conclusive but not sufficient for classification
Flammable gases and chemically unstable gases
Reason for no classification:
hazard class not applicable
Aerosols
Reason for no classification:
hazard class not applicable
Reason for no classification:
hazard class not assessed
Oxidising gases
Reason for no classification:
hazard class not applicable
Gases under pressure
Reason for no classification:
hazard class not applicable
Flammable liquids
Reason for no classification:
hazard class not applicable
Flammable solids
Reason for no classification:
data conclusive but not sufficient for classification
Self-reactive substances and mixtures
Reason for no classification:
data conclusive but not sufficient for classification
Pyrophoric liquids
Reason for no classification:
hazard class not applicable
Pyrophoric solids
Reason for no classification:
data conclusive but not sufficient for classification
Self-heating substances and mixtures
Reason for no classification:
data conclusive but not sufficient for classification
Substances and mixtures which in contact with water emit flammable gases
Reason for no classification:
data conclusive but not sufficient for classification
Oxidising liquids
Reason for no classification:
hazard class not applicable
Oxidising solids
Reason for no classification:
data conclusive but not sufficient for classification
Organic peroxides
Reason for no classification:
hazard class not applicable
Corrosive to metals
Reason for no classification:
data conclusive but not sufficient for classification
Desensitized explosives
Reason for no classification:
hazard class not applicable
Acute toxicity - oral
Reason for no classification:
data conclusive but not sufficient for classification
Acute toxicity - dermal
Reason for no classification:
data conclusive but not sufficient for classification
Acute toxicity - inhalation
Reason for no classification:
data conclusive but not sufficient for classification
Skin corrosion / irritation
Reason for no classification:
data conclusive but not sufficient for classification
Serious eye damage / eye irritation
Hazard category:
Eye Irrit. 2
Hazard statement:
H319: Causes serious eye irritation.
Respiratory sensitisation
Reason for no classification:
data conclusive but not sufficient for classification
Skin sensitisation
Reason for no classification:
data conclusive but not sufficient for classification
Aspiration hazard
Reason for no classification:
data conclusive but not sufficient for classification
Reproductive toxicity
Reason for no classification:
data conclusive but not sufficient for classification
Effects on or via lactation
Reason for no classification:
data conclusive but not sufficient for classification
Germ cell mutagenicity
Reason for no classification:
data conclusive but not sufficient for classification
Carcinogenicity
Hazard category:
Carc. 2
Hazard statement:
H351: Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routs of exposure cause the hazard>.
Route of exposure:
inhalation
1. Specific target organ toxicity - single (STOT-SE)
Hazard category:
STOT Single Exp. 3
Hazard statement:
H335: May cause respiratory irritation.
Affected organs:
other: Respiratory tract
Route of exposure:
inhalation
1. Specific target organ toxicity - repeated (STOT-RE)
Reason for no classification:
data conclusive but not sufficient for classification
Hazardous to the aquatic environment (acute / short-term)
Reason for no classification:
data conclusive but not sufficient for classification
Hazardous to the aquatic environment (long-term)
Reason for no classification:
data conclusive but not sufficient for classification
Hazardous to the ozone layer
Reason for no classification:
data conclusive but not sufficient for classification

Labelling

Signal word:
Warning

Hazard pictogram

GHS08: health hazard
GHS07: exclamation mark

Hazard statements

H351: Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routs of exposure cause the hazard>.
route of exposure: inhalation
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.

Precautionary statements

P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P281: Use personal protective equipment as required.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P264: Wash ... thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P304+P312: IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308+P313: IF exposed or concerned: Get medical advice/attention.
P312: Call a POISON CENTER/doctor/.../if you feel unwell.
P337+P313: If eye irritation persists: Get medical advice/attention.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to ...
waste in accordance with local/regional/national/international regulations.

Notes