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CHROMIUM (III) HYDROXIDE HYDRATE ICSC: 1455
Date of Peer Review: May 2003

Chromic (III) hydroxide hydrate
CAS # 1308-14-1 Cr(HO)3.nH2O
RTECS # GB2670000 Molecular mass: See Notes
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE


Inhalation


Skin
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness. Pain.
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rest. Refer for medical attention.
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.)
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE


IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK


CHROMIUM (III) HYDROXIDE HYDRATE ICSC: 1455
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
BLUE TO GREEN POWDER OR BLACK PARTICLES.

CHEMICAL DANGERS:
The substance decomposes on heating to chromic oxide.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: as Cr 0.5 mg/m, as TWA; A4; (ACGIH 2003).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation and by ingestion.

INHALATION RISK:
Evaporation at 20C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached 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


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999