Chromic oxide hydrated

Agent Name
Chromic oxide hydrated
CAS Number
12001-99-9
Formula
Unspecified
Major Category
Metals
Synonyms
CI 77289; Chromium hydroxide green; Hydrated chromium sesquioxide; Pigment green 18; C.I. Pigment Green 18; [ChemIDplus] Guignet's green; [Ullmann]
Category
Chromium Compounds, Inorganic
Description
Light green finely divided powder; [MSDSonline] A brilliant emerald-green pigment called Guignet's green; [Ullmann]
Sources/Uses
A purified colorant used to color various foods, drugs, and cosmetics; [MSDSonline] "Hydrated chromium oxide green" is a pigment similar to Guignet's green; it is prepared differently and has less intense color; [Ullmann]
Comments
See "Chromium III oxide."
Biomedical References
Search PubMed

Exposure Assessment

TLV (ACGIH)
0.003 mg/m3, as Cr(III), inhalable particulate matter
PEL (OSHA)
0.5 mg/m3
Explanatory Notes
Soluble Cr(III) compounds are assigned RSEN and DSEN; "Trivalent chromium compounds--with the exception of chromium(III) acetate, chromium(III) chloride hexahydrate, and chromium(III) nitrate--are insoluble or poorly soluble in water . . ." [ACGIH]

Adverse Effects

IARC Carcinogen
Not classifiable
ACGIH Carcinogen
Not Classifiable

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.