Chromium oxide
CrO2
Molecular mass: 84.00
ICSC # 1310
CAS # 12018-01-8
RTECS # GB6400000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
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Local exhaust or breathing protection.
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•Skin
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Redness.
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Safety spectacles.
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•Ingestion
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Spillage Disposal
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Storage
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Packaging & Labelling
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Vacuum spilled material.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
(Extra personal protection: P2 filter respirator for harmful particles).
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Important Data
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Physical State; Appearance:
BROWN-BLACK POWDER
Physical Dangers:
Chemical Dangers:
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
Lungs may be affected by repeated or prolonged exposure
, resulting in fibrosis.
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Physical
Properties
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Decomposes below melting point: 250-500°C
Density: 4.9 g/cm3
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Solubility in water: none
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1310
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CHROMIUM DIOXIDE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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