CHROMIUM 0029
October 2004
Chrome
CAS No: 7440-47-3
(powder)
RTECS No: GB4200000
Cr
Atomic mass: 52.0
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Combustible under specific No open flames if in powder form. In case of fire in the surroundings:
FIRE
conditions. use appropriate extinguishing
media.
Prevent deposition of dust; closed
EXPLOSION
system, dust explosion-proof
electrical equipment and lighting.
EXPOSURE PREVENT DISPERSION OF DUST!
Cough. Local exhaust or breathing Fresh air, rest.
Inhalation
protection.
Protective gloves. Remove contaminated clothes.
Skin
Rinse skin with plenty of water or
shower.
Redness. Safety goggles. First rinse with plenty of water for
Eyes
several minutes (remove contact
lenses if easily possible), then take
to a doctor.
Do not eat, drink, or smoke during Rinse mouth.
Ingestion
work.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers; if
appropriate, moisten first to prevent dusting.
Personal protection: P2 filter respirator for harmful
particles.
EMERGENCY RESPONSE SAFE STORAGE
IPCS Prepared in the context of cooperation between the International
Programme on Chemical Safety and the European Commission 漏
International IPCS 2004
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
0029 CHROMIUM
IMPORTANT DATA
Physical State; Appearance Inhalation risk
GREY POWDER A harmful concentration of airborne particles can be reached
quickly when dispersed.
Physical dangers
Effects of short-term exposure
Dust explosion possible if in powder or granular form, mixed with
air. May cause mechanical irritation to the eyes and the respiratory
tract.
Chemical dangers
Chromium is a catalytic substance and may cause reaction in
contact with many organic and inorganic substances, causing
fire and explosion hazard.
Occupational exposure limits
TLV: (as Cr metal, Cr(III) compounds) 0.5 mg/m3 as TWA; A4;
(ACGIH 2004).
MAK not established.
PHYSICAL PROPERTIES
Density: 7.15 g/cm3
Boiling point: 2642/C
Melting point: 1900/C Solubility in water: none
ENVIRONMENTAL DATA
NOTES
The surface of the chromium particles is oxidized to chromium(III)oxide in air.
See ICSC 1531 Chromium(III) oxide.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE
漏IPCS 2004
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