Phosphorus tricyanide is an inorganic compound with the chemical formula P(CN)₃. It can be produced by the reaction of

phosphorus trichloride Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. A colorless liquid when pure, it is an important industrial chemical, being used for the manufacture of phosphites and other organophosphorus compounds. It is toxi ...

and trimethyl(iso)cyanosilane. The reaction of

phosphorus tribromide Phosphorus tribromide is a colourless liquid with the formula P Br3. The liquid fumes in moist air due to hydrolysis and has a penetrating odour. It is used in the laboratory for the conversion of alcohols to alkyl bromides. Preparation PBr3 ...

and silver cyanide in

diethyl ether Diethyl ether, or simply ether, is an organic compound in the ether class with the formula , sometimes abbreviated as (see Pseudoelement symbols). It is a colourless, highly volatile, sweet-smelling ("ethereal odour"), extremely flammable li ...

produce phosphorus tricyanide too. Its thermal decomposition can produce graphite phase C₃N₃P. Phosphorus tricyanide reacts with Re(CO)₅FBF₃ to form (BF₄)₃.

References

{{Cyanides Phosphorus(III) compounds Cyanides