7684. Potassium Tetracyanonickelate(II)

Nomenclature

CAS number: 14220-17-8
Dipotassium tetrakis(cyano-C)nickelate(2-); nickel potassium cyanide.
C4K2N4Ni; mol wt 240.96.
C 19.94%, K 32.45%, N 23.25%, Ni 24.36%.
K2[Ni(CN)4].

Derivative

Monohydrate.

Properties

Orange-yellow, cryst powder. Poisonous. Loses H2O at about 100°. Sol in water.