Title: Zinc Cyanide

CAS Registry Number: 557-21-1

Molecular Formula: C2N2Zn

Molecular Weight: 117.44

Percent Composition: C 20.45%, N 23.85%, Zn 55.70%

Line Formula: Zn(CN)2

Literature References: Usually contains about 85% zinc cyanide, some water and oxide.

Properties: White powder. Poison! Insol in water; sol in solns of alkali cyanides or hydroxides; not appreciably attacked by organic acids, but readily dec by dil mineral acid with evolution of hydrogen cyanide.

Use: Electroplating; removing NH3 from producer gas.