Architecture

Chromium (Iii) Hydroxide Formula, Chromium (Iii) Hydroxide

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CHROMIUM (III) HYDROXIDE HYDRATE ICSC: 1455 (July 2003)
Chromic (III) hydroxide hydrate

CAS #: 1308-14-1
EC Number: 215-158-8

ACUTE HAZARDS PREVENTION FIRE FIGHTINGFIRE & EXPLOSION

Not combustible. In case of fire in the surroundings, use appropriate extinguishing media.
SYMPTOMS PREVENTION FIRST AIDInhalation

Skin

Eyes

Ingestion

Protective gloves.

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Remove contaminated clothes. Rinse skin with plenty of water or shower.
Redness. Pain. Wear safety spectacles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Do not eat, drink, or smoke during work.

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Rest. Refer for medical attention .
SPILLAGE DISPOSAL CLASSIFICATION & LABELLINGSTORAGEPACKAGING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.

According to UN GHS Criteria

Transportation UN Classification

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CHROMIUM (III) HYDROXIDE HYDRATE ICSC: 1455
PHYSICAL & CHEMICAL INFORMATION
Physical State; AppearanceBLUE-TO-GREEN POWDER OR BLACK PARTICLES.Physical dangersChemical dangersDecomposes on heating. This produces chromic oxide. Formula: Cr(HO)3.nH2O Molecular mass: see Notes Solubility in water: none
EXPOSURE & HEALTH EFFECTS
Routes of exposureThe substance can be absorbed into the body by inhalation and by ingestion.Effects of short-term exposureMay cause mechanical irritation to the eyes. Inhalation riskEvaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly , especially if powdered.Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
TLV: (as Cr(III), inhalable fraction): 0.003 mg/m3, as TWA; (RSEN); (DSEN); A4 (not classifiable as a human carcinogen).MAK: sensitization of skin (SH).EU-OEL: (as Cr(III)): 2 mg/m3 as TWA
ENVIRONMENT
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.

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ADDITIONAL INFORMATION
EC Classification
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