Triethyl phosphate
Triethyl phosphate is an organic chemical compound with the formula or, where Et is ethyl. It is a colorless liquid. It is the triethyl ester of 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. 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.