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cuprous cyanide

a creamy-white, highly poisonous, water-insoluble powder, CuCN, used chiefly in electroplating and in organic synthesis.
Also called copper cyanide. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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  • The reaction is catalyzed by an aqueous mixture of cuprous chloride, copper powder, and cuprous cyanide.

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