Copper(I) potassium cyanide

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."

Biomedical References

5 mg/m3, as CN

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

25 mg/m3, as CN

Explanatory Notes

mp = 1083 deg C;

Hemolytic anemia

MetHgb is secondary toxic effect

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Other Poison

Chemical Asphyxiant

Processes

Industrial Processes with risk of exposure:

• Electroplating