Agent Name

Chromium(II) chloride

CAS Number

10049-05-5

Formula

Cl2-Cr

Major Category

Metals

Synonyms

Chromium chloride (CrCl2); Chromium dichloride; Chromium(II) chloride (1:2); Chromous chloride; [ChemIDplus]

Category

Chromium Compounds, Inorganic

Description

Very hygroscopic solid; [Merck Index] Steel-gray lustrous crystals or powder; [MSDSonline]

Sources/Uses

Used in chromium plating and as a catalyst, oxygen absorbent, and textile mordant; [HSDB]

Comments

"The relatively unstable divalent (chromous) ion is rapidly oxidized to the trivalent (Cr(III); chromic] form." [Nordberg, p. 718] "Bivalent compounds are unstable and have little commercial value." [Asthma in the Workplace, p. 296] May be harmful after ingestion, inhalation, or skin contact; May damage eyes; "Stable under recommended storage conditions." [MSDSonline] A skin and respiratory tract irritant; [ICSC] See "Chromium."

Exposure Assessment
PEL (OSHA)

0.5 mg/m3, as Cr

Explanatory Notes

VP = practically zero; Mp = 1900 deg C; [MSDSonline]

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: