Agent Name

Copper(I) potassium cyanide

Alternative Name

Cuprous potassium cyanide

CAS Number

13682-73-0

Formula

C2-Cu-N2.K

Major Category

Toxic Gases & Vapors

Synonyms

Cuprate(1-), bis(cyano-kappaC)-, potassium; Cuprate(1-), dicyano-, potassium; Potassium dicyanocuprate; Potassium cuprocyanide; Cuprous potassium cyanide; Potassium copper(I) cyanide; Potassium dicyanocuprate(1-); [ChemIDplus] Bis(cyano-kappaC)cuprate(1-) potassium (1:1); Potassium dicyanocuprate(I); Potassio-cuprous cyanide; Potassium cyanocuprate(I); [Merck Index] UN1679

Category

Cyanides

Description

White solid; Contains at least 26% copper and 1-3% free KCN; [Hawley] Reddish, lustrous, odorless solid; Inslouble in water; [MP Biomedicals MSDS]

Sources/Uses

Used in cyanide copper plating baths; [Hawley] Used in electroplating of copper and brass; [Merck Index]

Comments

Acute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1259] An irritant; [MP Biomedicals MSDS] See "Copper" and "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 cmpds)

IDLH (NIOSH)

25 mg/m3, as CN

Explanatory Notes

mp = 1083 deg C;

Adverse Effects
Anemia

Anemia, Hemolytic

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Methemoglobinemia

Methemoglobinemia, Secondary

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
Processes

Industrial Processes with risk of exposure: