Chromite

Agent Name
Chromite
CAS Number
1308-31-2
Formula
Cr2-Fe-O4
Major Category
Metals
Synonyms
Chrome ore; Chromite (mineral) (Cr2FeO4); Chromite homog mineral; Chromite ore; Iron chromate(II); [ChemIDplus] Chromite, chromium(III); Chromite ore; Chromite homogenous mineral; Chromite (mineral); [ACGIH]
Category
Chromium Compounds, Inorganic
Description
Iron-black to brownish black solid with a metallic to submetallic luster; [Hawley] Insoluble in water; [HSDB]
Sources/Uses
Used as the source of chromium and its compounds and to make chrome-magnesite refractory bricks, ferrochrome, and refractory ceramics; Also used in automobile emission-control systems; [HSDB]
Comments
May cause irritation; [MSDSonline] See "Chromite ore processing."
Biomedical References

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; [ACGIH]

Adverse Effects

IARC Carcinogen
Not classifiable
ACGIH Carcinogen
Not Classifiable

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: