Agent Name

Cobaltous citrate

CAS Number

866-81-9

Formula

C6-H8-O7.2/3Co

Major Category

Metals

Synonyms

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, cobalt(2+) salt (2:3); Citric acid, cobalt(2+) salt (2:3); Cobalt citrate; Tricobalt dicitrate; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Dihydrate: Rose-red solid; [Hawley] Hydrate: Red crystals; Slightly soluble in water; [MSDSonline]

Sources/Uses

Dihydrate: Used in dietary supplements; [Hawley]

Comments

Causes slight irritation of the eyes; [MSDSonline] See "Cobalt."

Exposure Assessment
BEI

Cobalt in urine = 15 ug/L; sample at end of shift at end of workweek;

TLV (ACGIH)

0.02 mg/m3, as Co

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