Cuprous cyanide

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Description

Toxic white powder or colorless (or green or red) crystals. Cuprous cyanide has been used as an Insecticide, Fungicide, and antifouling agent in marine paints. It has also been used to form synthetic patinas on Copper and Bronze objects.

Synonyms and Related Terms

copper (I) cyanide; cupricin

Chemical structure

Cuprous cyanide.jpg


Other Properties

Soluble in ammonia. Almost insoluble in water, alcohol, cold dilute acids. Decomposed by concentrated nitric acid

Composition CuCN
CAS 544-92-3
Melting Point 474
Density 2.92
Molecular Weight mol. wt. = 89.56

Hazards and Safety

Toxic by ingestion, inhalation and skin absorption. Contact causes irritation.

Fisher Scientific: MSDS

Authority

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2731

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