Agent Name

Cuprous cyanide

CAS Number

544-92-3

Formula

C-Cu-N

Major Category

Toxic Gases & Vapors

Synonyms

Copper cyanide; Copper(+1) cyanide; Copper(I) cyanide; Cupricin; [ChemIDplus] UN1587

Category

Cyanides

Description

Colorless or white to cream colored or dark green or dark red solid; Practically insoluble in water; [Merck Index] White or cream colored powder; Insoluble in water; [MSDSonline]

Sources/Uses

Used as a polymerization catalyst, insecticide, fungicide (marine paints), and reagent (Sandmeyer reaction); Also used in electroplating copper and iron, silver plating, brass plating, and copper-tin alloy plating; [HSDB] Used to make phthalocyanine dyes; [Ullmann]

Comments

A skin, eye, nose, and throat irritant; Exposed workers are at risk for cyanide poisoning; [HSDB] An irritant; [MSDSonline] See "CYANIDES."

Exposure Assessment
PEL (OSHA)

5 mg/m3, as CN

MAK

2 mg/m3, inhalable fraction, as CN (0.01 mg/m3, respirable fraction-Cu inorganic.cmpnds)

IDLH (NIOSH)

25 mg/m3, as CN

Adverse Effects
Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

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:

Processes

Industrial Processes with risk of exposure: