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Triphenylphosphine (IUPAC name: triphenylphosphane) is a common organophosphorus compound with the formula P(C6H5)3 and often abbreviated to PPh3 or Ph3P. It is widely used in the synthesis of organic and organometallic compounds. PPh3 exists as relatively air stable, colorless crystals at room temperature.
Triphenylphosphine (TPP) is prepared by reacting triphenylphosphine dichloride (TPPCl 2) with magnesium, aluminum and/or iron in the presence of an inert solvent, employing a TPPCl 2 solution whose content of phosgene, chlorine, diphosgene, hydrogen chloride, thionyl chloride, sulfuryl chloride, phosphorus trichloride,
The methods most widely used for the synthesis of phosphines include the reaction of organometallic compounds with halophosphines, the reaction of metal phosphides with alkyl halides, the reduction of other phosphorus compounds and the hydrophosphination
Besides it plays an important role in reactions of plant pigments. as an oxidation and UV stabilizer in plastics. In the dye industry, Triphenylphosphine is used as sensitizer, heat stabilizers, light stabilizers, antioxidants, flame retardants, antistatic agents, rubber antiozonants and analytical reagent.