Triphenylphosphine oxide
Molecular formula: C18H15OP
Molecular Weight: 278.28 g / mol
CAS No. :791-28-6
Properties: melting point 154-158°C
Boiling point: 360 °C
Flash point: 180 °C
Properties: white crystalline powder, soluble in alcohol and benzene, slightly soluble in hot water, there are irritating.
Uses: You can effect in organic synthesis intermediates, to send drug intermediates, catalysts and extraction agent.
Structure and properties Ph3PO with similar POCl3 are tetrahedral structure, and oxygen atoms is alkaline. The rigidity of its skeleton and oxygen atoms of the alkaline, have led to Triphenylphosphine oxide can induce crystallization of other methods are difficult to crystalline compounds, hydrogen-containing acidic substances, such as phenol are particularly effective.