Title: Cuprous Potassium Cyanide
CAS Registry Number: 13682-73-0
CAS Name: Potassium bis(cyano-C)cuprate(1-)
Additional Names: potassium dicyanocuprate(I); potassio-cuprous cyanide; potassium cyanocuprate(I)
Molecular Formula: C2CuKN2
Molecular Weight: 154.68
Percent Composition: C 15.53%, Cu 41.08%, K 25.28%, N 18.11%
Line Formula: KCu(CN)2
Literature References: Prepd by evaporation of an aq soln of CuCN and KCN: Staritzky, Walker, Anal. Chem. 28, 419 (1956).
Properties: Monoclinic, prismatic crystals. d 2.38. Practically insol in water; dec to CuCN by cold dil H2SO4 or heating in water; sol in DMSO.
Density: d 2.38
Use: In electroplating copper and brass. |