Title: Cadmium Cyanide
CAS Registry Number: 542-83-6
Molecular Formula: C2CdN2
Molecular Weight: 164.45
Percent Composition: C 14.61%, Cd 68.36%, N 17.03%
Line Formula: Cd(CN)2
Literature References: Prepn from Cd(OH)2 and HCN: Biltz, Z. Anorg. Allg. Chem. 170, 161 (1928); Wagenknecht, Juza in Handbook of Preparative Inorganic Chemistry vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) p 1105.
Properties: Crystals or white powder. Turns brown on heating in air. Very poisonous! d 2.226. Soly in water (15°) 1.71 g/100 ml. Slightly sol in alc; sol in solns of alkali cyanides or hydroxides; not appreciably attacked by organic acids, but readily dec by dil mineral acids with evolution of hydrogen cyanide. Readily forms complex cyanides.
Density: d 2.226
Use: In copper bright electroplating.