Cobaltic potassium nitrite

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."

Biomedical References

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

0.02 mg/m3, as Co

Explanatory Notes

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

Yes

Yes

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic