para-oxon

para-oxon

[¦par·ə ′äk‚sän]
(organic chemistry)
(C2H5O)2P(O)C6H4NO2 A reddish-yellow oil with a boiling point of 148-151°C; soluble in most organic solvents; used as an insecticide. Also known as diethyl para-nitrophenyl phosphate.