Lithium cyanide is an inorganic compound with the chemical formula LiCN.
It is a toxic, white coloured, hygroscopic, water-soluble salt that finds only niche uses.
LiCN is produced from the reaction of lithium hydroxide and hydrogen cyanide.
A laboratory-scale preparation uses acetone cyanohydrin as a surrogate for HCN:[5] The compound decomposes to cyanamide and carbon when heated to a temperature close to but below 600 °C.
[6] Lithium cyanide can be used as a reagent for organic compound cyanation.