Bis(triphenylphosphine)iminium chloride is the chemical compound with the formula [(C₆H₅)₃P)₂N]Cl, often written [(Ph₃P)₂N]Cl and abbreviated PPNCl. This colorless salt is a source of the PPN⁺ cation, which is used to isolate reactive anions. PPN⁺ is a phosphazene.