Copper(I) cyanide is an inorganic compound with the formula CuCN. This off-white solid occurs in two polymorphs; impure samples can be green due to the presence of Cu(II) impurities. The compound is useful as a catalyst, in electroplating copper, and as a reagent in the preparation of nitriles.

 

Specification

Chemical Name Copper(I) Cyanide
Appearance Off-white / pale yellow powder
Melting Point 474°C
CAS No. 544-92-3
Solubility Insoluble in ethanol, cold dilute acids, soluble in NH4OHKCN
Density 2.92 g/cm3
Molar mass 89.563 g/mol
EC Number 208-883-6

 

Application:

  • Plating
  • Coating