Triethyl phosphate

The compound triethyl phosphate has formula (C₂H₅)₃PO₄.

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It is a colorless liquid. It is the triester of ethanol and phosphoric acid and can be called "phosphoric acid, triethyl ester".

Its primary uses are as an industrial catalyst, a polymer resin modifier, and a plasticizer (eg. for unsaturated polyesters). In smaller scale it is used as a solvent for eg. cellulose acetate, flame retardant, an intermediate for pesticides and other chemicals, stabilizer for peroxides, etc. [1]