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| Names | |
|---|---|
| Preferred IUPAC name Triethyl phosphate | |
| Other names Phosphoric acid triethyl ester Phosphoric ester (archaic) Flame retardant TEP [2] Tris(ethyl) phosphate Triethoxyphosphine oxide Ethyl phosphate (neutral) | |
| Identifiers | |
3D model (JSmol) | |
| Abbreviations | TEP, Et3PO4 |
| ChEBI | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.001.013 |
PubChem CID | |
| UNII | |
CompTox Dashboard (EPA) | |
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| Properties | |
| C6H15O4P | |
| Molar mass | 182.15 g/mol |
| Density | 1.072 g/cm3 |
| Melting point | −56.5 °C (−69.7 °F; 216.7 K) |
| Boiling point | 215 °C (419 °F; 488 K) |
| Miscible | |
| −125.3·10−6 cm3/mol | |
| Hazards | |
| NFPA 704 (fire diamond) | |
| Flash point | 107 °C (225 °F; 380 K) |
| Safety data sheet (SDS) | https://assets.thermofisher.com/DirectWebViewer/private/document.aspx?prd=ALFAA40001~~PDF~~MTR~~AGHS~~EN~~2024-03-27%2004:53:15~~Triethyl%20phosphate~~ |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Triethyl phosphate is an organic chemical compound with the formula (C2H5)3PO4 or OP(OEt)3. It is a colorless liquid. It is the triester of ethanol and phosphoric acid and can be called "phosphoric acid, triethyl ester".
Contents
Its primary uses are as an industrial catalyst (in acetic anhydride synthesis), a polymer resin modifier, and a plasticizer (e.g. for unsaturated polyesters). In smaller scale it is used as a solvent for e.g. cellulose acetate, flame retardant, an intermediate for pesticides and other chemicals, stabilizer for peroxides, a strength agent for rubber and plastic including vinyl polymers and unsaturated polyesters, etc. [3]