Triphenylphosphine TPP

Cas No.: 603-35-0
MF: C18H15P
Properties & Applications & PackagesInquiry
Triphenylphosphine is a common organophosphorus compound with the formula P(C6H5)3 - 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 to pale yellow monoclinic crystals at room temperature. It is a colorless to pale yellow transparent oily liquid above the room temperature with skin irritation and a pungent odour. It dissolves in non-polar organic solvents such as benzene and diethyl ether.

Triphenylphosphine (TPP) is an important ligand, and is also utilized in the Wittig reaction for alkene synthesis. This reaction involves the formation of alkyliden-etriphenylphosphoranes from the action of butyllithium or other base on the quarternary halide.

Triphenylphosphine is used in the synthesis of organic compounds due to its nucleophilicity and its reducing character. TPP is a highly efficient product that serves successfully in many applications, for example:
The important ligands of homogeneous catalysts used in petrochemicals and fine chemicals production, as a co-catalyst in isobutanol and n-butanol production.

In the dye industry, Triphenylphosphine is used as sensitizer, heat stabilizers, light stabilizers, antioxidants, flame retardants, antistatic agents, rubber antiozonants and analytical reagent.


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