... -(1,1-dimethylethyl)-N'-ethyl-1,3,5-triazine-2,4-diamine PHYSICAL CHEMISTRYComposition: Tech. is 97 % pure ... 1), 12 d (pH 13). In natural sunlight, DT50 >40 dpKa: 2.0, v. weak base.F.p.: >150C. ... oral and contact) >100 ug/bee.Worms: LC50 (7 d) for earthworms >200 mg/kg soil.Other beneficial spp.: ... on soils is strong: Koc 162-278, Kd 2.2-25 are typical values for light agricultural soils. Terbuthylazine ...