Triphenyl phosphate
From Wikipedia, the free encyclopedia
| Triphenyl phosphate | |
|---|---|
3.png/200px-OP(OPh)3.png) |
|
 |
|
| IUPAC name | Triphenyl phosphate |
| Identifiers | |
| CAS number | [115-86-6] |
| PubChem | |
| Properties | |
| Molecular formula | C18H15O4P |
| Molar mass | 326.28 g/mol |
| Appearance | colourless liquid |
| Density | 1.184 g/mL |
| Melting point |
48-50 °C |
| Boiling point |
244 °C10 mm Hg |
| Solubility in water | organic solvents |
| 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
