... pH 5, 7 and 9 (25 °C). pKa 2.98 APPLICATIONS Biochemistry Fatty acid synthesis inhibitor, by inhibition of ... low toxicity to bees. LD50 (oral and contact) >0.2 mg/bee. Worms LC50 >1000 mg/kg. Fish LC50 ... fluazifop-P, which is hydrolysed to 5-trifluoromethylpyrid-2-one, and 2-(4-hydroxyphenoxy)propionic acid, both of which are ... % MHC, pH 5.3-7.7), DT50 2-9 d (20 °C). Field DT50 <4 w. Koc 39-84. For ...