CHROMIUM (III) HYDROXIDE HYDRATE 1455
May 2003
Chromic (III) hydroxide hydrate
CAS No: 1308-14-1
Cr(HO)3.nH2O
RTECS No: GB2670000
Molecular mass: See Notes
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Not combustible. In case of fire in the surroundings:
FIRE
use appropriate extinguishing
media.
EXPLOSION
EXPOSURE
Inhalation
Protective gloves. Remove contaminated clothes.
Skin
Rinse skin with plenty of water or
shower.
Redness. Pain. Safety spectacles. 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 Rest. Refer for medical attention.
Ingestion
work.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers; if
appropriate, moisten first to prevent dusting.
Carefully collect remainder, then remove to safe
place. (Extra personal protection: P2 filter respirator
for harmful particles.)
EMERGENCY RESPONSE STORAGE
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission
International 漏 IPCS 2002
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
1455 CHROMIUM (III) HYDROXIDE HYDRATE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
BLUE TO GREEN POWDER OR BLACK PARTICLES. The substance can be absorbed into the body by inhalation and
by ingestion.
Chemical dangers
Inhalation risk
The substance decomposes on heating to chromic oxide.
Evaporation at 20掳C is negligible; a nuisance-causing
concentration of airborne particles can, however, be reached
Occupational exposure limits
TLV: as Cr 0.5 mg/m3, as TWA; A4; (ACGIH 2003). quickly especially if powdered.
Effects of short-term exposure
May cause mechanical irritation to the eyes.
PHYSICAL PROPERTIES
Solubility in water: none
ENVIRONMENTAL DATA
NOTES
The name Chromic acid is used for this product, as well as for Chromic (VI) acid (CAS 7738-94-5) and for Chromium (VI) oxide
(CAS 1333-82-0, see ICSC 1194).
The molecular weight may vary depending on the degree of hydration.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2002
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