Tetraphenyldiphosphine
Tetraphenyldiphosphine is the organophosphorus compound with the formula 2, where Ph = phenyl. It is a white, air-sensitive solid that dissolves in nonpolar solvents. It is a centrosymmetric molecule with a P-P bond of 2.2592 Å.
Tetraphenyldiphosphine is produced by reductive coupling of chlorodiphenylphosphine:
The compound is used as a source of the Ph2P− group.
