Agent Name

Cobaltous cyanide

CAS Number

542-84-7

Formula

C2-Co-N2

Major Category

Toxic Gases & Vapors

Synonyms

Cobalt cyanide (Co(CN)2); Cobalt dicyanide; [ChemIDplus] UN1588

Category

Cyanides

Description

Deep blue, hygroscopic solid; [Merck Index]

Sources/Uses

Used as a catalyst; [Merck Index]

Comments

Toxic by ingestion; May be harmful if absorbed through skin or inhaled; A potential skin and respiratory sensitizer; [MSDSonline] "Cobalt cyanides are among the most stable complexes; therefore, cobalt compounds have been used as antidotes for cyanide poisoning." [Ullmann] See "Cobalt." See "CYANIDES."

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

PEL (OSHA)

5 mg/m3, as CN

MAK

2 mg/m3, inhalable fraction, as CN

IDLH (NIOSH)

25 mg/m3, as CN

Adverse Effects
Skin Sensitizer

Yes

Asthma

Yes

Other Poison

Chemical Asphyxiant

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: