| Agent Name |
Copper I potassium cyanide |
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| CAS Number |
13682-73-0 |
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| Formula |
C2-Cu-N2.K |
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| Major Category |
Metals |
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| Synonyms |
Cuprous potassium cyanide; Potassium copper(I) cyanide; Potassium dicyanocuprate(1-); [ChemIDplus] UN1679; Potassium cuprocyanide; [MSDSonline] |
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| Category |
Metals, Inorganic Compounds |
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| Description |
White solid; Contains at least 26% copper and 1-3% free KCN; [Hawley] Reddish, lustrous solid, inslouble in water; [MSDSonline] |
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| Sources/Uses |
Used in cyanide copper plating baths; [Hawley] Used in electroplating of copper and brass; [Merck Index] |
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| Comments |
A skin, eye, and mucous membrane irritant; Toxic by inhalation, ingestion, and skin or eye contact; [CAMEO] Acute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1297-1302] See "Copper" and "CYANIDES." |
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| Exposure Assessment |
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| PEL (OSHA) |
5 mg/m3, as CN |
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| MAK |
2 mg/m3, inhalable fraction, as CN (0.1 mg/m3, inhalable fraction-Cu compds.) |
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| IDLH (NIOSH) |
25 mg/m3, as CN |
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| Explanatory Notes |
mp = 1083 deg C; NFPA flammability code = 1 [MSDSonline] |
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| Flammability (NFPA) |
1: must be preheated |
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| Adverse Effects |
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| Methemoglobinemia |
Methemoglobinemia, Secondary |
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| Anemia |
Anemia, Hemolytic |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Nephrotoxin |
Yes |
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| Other Poison |
Chemical Asphyxiant |
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| Links to Other NLM Databases |
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