Agent Name

Chromium(II) sulfate

CAS Number

13825-86-0

Formula

Cr.H2-O4-S

Major Category

Metals

Synonyms

Chromous sulfate; Sulfuric acid, chromium(2+) salt (1:1); [ChemIDplus]

Category

Chromium Compounds, Inorganic

Sources/Uses

Used in oxygen absorption and in chemical analysis, dehydrohalogenating, and reducing; [Merck Index]

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] See "Chromium."

Exposure Assessment
PEL (OSHA)

0.5 mg/m3, as Cr

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