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Chemical compound From Wikipedia, the free encyclopedia
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".
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Names | |
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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) |
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Abbreviations | TEP, Et3PO4 |
ChEBI | |
ChemSpider | |
DrugBank | |
ECHA InfoCard | 100.001.013 |
PubChem CID |
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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) | http://www.sciencelab.com/msds.php?msdsId=9925320 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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]
It was studied for the first time by French chemist Jean Louis Lassaigne in the early 19th century.
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