10135. Zinc Cyanide

Nomenclature

CAS number: 557-21-1
C2N2Zn; mol wt 117.44.
C 20.45%, N 23.85%, Zn 55.70%.
Zn(CN)2.

Description and references

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

Properties

White powder. Poisonous. 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.