Title: Nickel Cyanide

CAS Registry Number: 557-19-7

Molecular Formula: C2N2Ni

Molecular Weight: 110.73

Percent Composition: C 21.69%, N 25.30%, Ni 53.01%

Line Formula: Ni(CN)2

Literature References: Prepn of yellow-brown anhydr salt: Aynsley, Campbell, J. Chem. Soc. 1958, 1723. The commercial salt usually contains 20-25% water. Review of toxicology and human exposure: Toxicological Profile for Nickel (PB2006-100005, 2005) 397 pp.

 

Derivative Type: Tetrahydrate

Properties: Apple-green powder. Poison! Insol in water. Slightly sol in dil acids, freely in alkali cyanides, in ammonia, and in ammonium carbonate.

 

Use: In nickel-plating.