ammonium cyanide Chemical Properties

Melting point:

36°C

Boiling point:

31.7°C (estimate)

Density 

1.100

solubility 

very soluble in H2O

pka

1.10±0.10(Predicted)

form 

colorless tetragonal crystals

color 

colorless tetragonal crystals, crystalline

Water Solubility 

very soluble H2O [KIR78]

CAS DataBase Reference

12211-52-8

Safety Information

RIDADR 

2811

HazardClass 

6.1(b)

PackingGroup 

III

ammonium cyanide Usage And Synthesis

Chemical Properties

colorless crystal(s) solid; readily decomposes; can be formed by mixing ammonium sulfate solution with barium cyanide solution [KIR78]

Physical properties

Colorless crystalline solid; cubic crystal; unstable; density 1.02 g/cm³; decomposes at 36°C; sublimes at 40°C; very soluble in cold water and alcohol; decomposes in hot water.

Uses

NH₄CN is used in organic synthesis. Unstable, it is not shipped or sold commercially.

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