... ,3,5-triazine-2,4-diamine PHYSICAL CHEMISTRYComposition: Tech. is 97 % pure.Mol. wt.: 229.7; M.f.: C9H16ClN5Form: Colourless powder ... , 20C). In acetone 41, ethanol 14, n-octanol 12, n-hexane 0.36 (all in g/l, 25C).Stability: Stable in ... . DT50 30-60 d in biologically active soil. Terbuthylazine (Tech.97 % pure) herbicide