... '-ethyl-1,3,5-triazine-2,4-diamine PHYSICAL CHEMISTRYComposition: Tech. is 97 % pure.Mol. wt.: 229.7; M.f.: C9H16ClN5Form ... within 24 h, and almost all within 48 h. A de-ethyl metabolite forms rapidly, followed by conjugates of products formed ... . Terbuthylazine is only slightly mobile. Microbial degradation proceeds mainly by de-ethylation and hydroxylation, with eventual ring cleavage. DT50 30-60 ...