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."

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

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: