1618. Cadmium Cyanide

Nomenclature

CAS number: 542-83-6
C2CdN2; mol wt 164.45.
C 14.61%, Cd 68.36%, N 17.03%.
Cd(CN)2.

Description and 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. 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.

Use

In copper bright electroplating.