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Names | |
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Preferred IUPAC name
Tetraphenyldiphosphane | |
Identifiers | |
3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C24H20P2 | |
Molar mass | 370.372 g·mol−1 |
Appearance | white solid |
Density | 1.292 g/cm3 |
Melting point | 125 °C (257 °F; 398 K) |
Hazards | |
GHS labelling: | |
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Danger | |
H250 | |
P210, P222, P280, P302+P334, P370+P378, P422 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tetraphenyldiphosphine is the organophosphorus compound with the formula [PPh2]2, where Ph = phenyl (C6H5). 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.[1]
Tetraphenyldiphosphine is produced by reductive coupling of chlorodiphenylphosphine:
The compound is used as a source of the Ph2P− group.[2]