Composition Tech. is 95% pure. Mol. wt. 304.3 M.f. C12H21N2O3PS Form Clear colourless liquid; (tech., yellow liquid). B.p. 83-84 /0.0002 mmHg; 125 /1 mmHg V.p. 1.2 101 mPa (25 ) (OECD 104) KOW logP = 3.30 (OECD 107) Henry 6.09 ?10-2 Pa m3 mol-1 (calc.) S.g./density 1.11 (20 ) Solubility In water 60 mg/l (20 ). Completely miscible with common organic solvents, e.g. ethers, alcohols, benzene, toluene, hexane, cyclohexane, dichloromethane, acetone, petroleum oils. Stability Susceptible to oxidation above 100 Stable in neutral media, but slowly hydrolysed in alkaline media, and more rapidly in acidic media; DT50 (20 ) 11.77 h (pH 3.1), 185 d (pH 7.4), 6.0 d (pH 10.4). Decomposes above 120 . pKa 2.6 (OECD 112) F.p. 2