Applications
It is employed as a catalyst for the carboxylation of styrene oxide and as a reactant involved in epoxidation of arylalkenes, boration of allylic epoxides, Wittig reactions, selective dimerization of α-olefins, and synthesis of indoles. It has also been shown to be part of Phosphonium salts, having antiviral activity against influenza virus A.

Solubility
Soluble in water.

Notes
Hygroscopic. Store away from oxidizing agents, humidity and water/moisture. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Store under inert gas.