Agent Name

Cobaltic potassium nitrite

CAS Number

13782-01-9

Formula

Co-N6-O12.3K

Major Category

Metals

Synonyms

Aureolin; C.I. Pigment Yellow 40; Cobalt Yellow; Hexanitrocobaltate(3-) tripotassium; Potassium hexanitrocobaltate(III); Potassium nitrocobaltate(III); Cobaltate(3-), hexakis(nitrito-N)-, tripotassium, (OC-6-11)- (9CI); Cobaltate(3-), hexanitro-, tripotassium; Tripotassium hexanitritocobaltate; [ChemIDplus] (OC-6-11)-Hexakis(nitrito-kappaN)cobaltate(3-) potassium (1:3); Hexakis(nitrito-N)cobaltate(3-) tripotassium; Potassium cobaltinitrite; Fischer's yellow; C.I. 77357; [Merck Index] UN3288

Category

Metals, Inorganic Compounds

Description

Yellow crystals; [Johnson Matthey MSDS]

Sources/Uses

Used as a pigment (oil and water colors, painting glass/porcelain, and coloring rubber); Also used to separate cobalt from nickel and in cobalt analysis; [Merck Index]

Comments

Harmful by ingestion, inhalation, and skin absorption; [Johnson Matthey MSDS] See "Cobalt(II) nitrate hexahydrate."

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

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Toxic solid, inorganic, n.o.s."

Adverse Effects
Skin Sensitizer

Yes

Asthma

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: