... by acids and alkalis, DT50 >1000 d (pH 5), 100 d (pH 7), 2.4 d (pH 9) (20 ºC). ... .g./density c. 1.5 (20 °C) Solubility In water 0.27 (pH 5.1), 61 (pH 7.0) (both in ... flax, oilseed rape, and cotton; and (when applied with the herbicide safener mefenpyr-diethyl) annual and perennial grass ... oats in wheat, rye, triticale and, depending on ratio, in some varieties of barley. Phytotoxicity Non-phytotoxic ...