... CHEMISTRY Mol. wt. 361.8 M.f. C18H16ClNO5 Form White, odourless solid. M.p. 89-91 ºC V.p. 5.3 ´ 10-4 mPa ... , weakly pungent, fine powder. M.p. 155-161 °C V.p. 1.8 ´ 10-1 mPa (20 °C) KOW logP = 1.83-0.24 (pH 5 ... - pH 9) S.g./density c. 1.5 ... . E. Smith, J. Agric. Food Chem., 1985, 33, 483); DT50 1-10 d. fenoxaprop-p-ethyl 7.5%EW in Herbicide