Cobaltic potassium nitrite

Agent Name
Cobaltic potassium nitrite
CAS Number
13782-01-9
Formula
Co-N6-O12.3K
Major Category
Metals
Cobaltic potassium nitrite formula graphical representation
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

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

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: