Profenofos is a pale yellow liquid, bp 100 C/1.80 Pa, vp
0.124 mPa (25 C). Solubility in water is 28 mg/L (25 C).
It is miscible with most organic solvents. Log Kow = 4.44.
It is relatively stable in neutral and mild acid media but
hydrolyzed in alkaline media; DT50 values (20 C) at pH 5,
7, and 9 are 93 d, 14.6 d, and 5.7 h, respectively.