Triethyl phosphate

Triethyl phosphate is a 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".

Triethyl phosphate[1]
Names
IUPAC name
Triethyl phosphate
Other names
Phosphoric acid triethyl ester
Ethyl phosphate
Triethylphosphate
Tris(ethyl) phosphate
Triethoxyphosphine oxide
Trimethyl orthophosphate
Identifiers
3D model (JSmol)
Abbreviations TEP, Et3PO4
ChEBI
ChemSpider
DrugBank
ECHA InfoCard 100.001.013
UNII
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
Safety data sheet http://www.sciencelab.com/msds.php?msdsId=9925320
NFPA 704 (fire diamond)
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
2
0
Flash point 107 °C (225 °F; 380 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

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.[2]

Triethyl phosphate is also a common intermediate in the manufacture of pesticides.

History

It was studied for the first time by French chemist Jean Louis Lassaigne in the early 19th century.

See also

References
  1. "Zhangjiagang Shunchang Chemical Co., Ltd". Triethylphosphate. Archived from the original on December 17, 2004. Retrieved June 13, 2009.
  2. Triethylphosphate, International Programme on Chemical Safety
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