8512. Silver Cyanide

Nomenclature

CAS number: 506-64-9
CAgN; mol wt 133.89.
C 8.97%, Ag 80.56%, N 10.46%.
AgCN.

Properties

White or grayish, odorless powder; stable in dry air; darkens on exposure to light; dec at 320°. Poisonous. d 3.95. Insol in water, alcohol, or dil acids. Sol in alkali cyanides and in boiling concd nitric acid; converted by dil HCl into hydrocyanic acid and silver chloride; sparingly sol in dil, more in concd ammonia. Protect from light.

Use

For silver plating; formerly used for extemporaneous prepn of dil hydrocyanic acid by treatment with HCl.