Triphenyl phosphate

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Template:Chembox E numberTemplate:Chembox SolubilityInWater
Triphenyl phosphate
IUPAC name Triphenyl phosphate
Identifiers
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Properties
C18H15O4P
Molar mass 326.28 g/mol
Appearance colourless liquid
Density 1.184 g/mL
Melting point
Boiling point
Hazards
Main hazards flammable
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Triphenyl phosphate is the chemical compound with the formula OP(OC6H5)3. This colourless solid is the ester of phosphoric acid and phenol. It is used as a plasticizer and a fire retardant.

Triphenylphosphate is prepared by the reaction of phosphorus oxychloride and phenol in the presence of a base:

POCl3 + 3 HOC6H5 → OP(OC6H5)3 + 3 HCl

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