... density 1.3 (20 °C) Solubility In water 0.7 mg/l (pH 5.8, 20 ºC). In ... , DT50 >1000 d (pH 5), 100 d (pH 7), 2.4 d (pH 9) (20 ºC). Mol. wt. ... In water 0.27 (pH 5.1), 61 (pH 7.0) (both in g/l, 20 °C). In ... 48 h) 0.56 (pH 8.0-8.4), 2.7 (pH 7.7-7.8) (both mg/l). Algae LC50 (72 h) ... -ethyl is metabolised via fenoxaprop to 6-chloro-2,3-dihydrobenzoxazol-2-one. Soil/Environment In soil, fenoxaprop-ethyl is ...