Triphenyl Phosphate is used in the insecticidal composition. Also acts as a flame retardant. Triphenyl phosphate is also added to some nail polishes as a replacement for the plasticizer dibutyl phthalate (D429495). Diphenyl phosphate (D492000), metabolite of triphenyl phosphate increased sharply in the urine of women 10-14 hours after they painted their nails with polish containing triphenyl phosphate. Phosphorus Flame Retardant