4584 Propyzamide Propyzamide is a residual herbicide for use in a wide range of crops to control annual and perennial grasses and some broad-leaved weeds. It is selective and systemically absorbed by roots and translocated into the plant. 23950-58-5 32154 C12H11Cl2NO White powder. LD50 (oral, male rat) = 8350 mg/kg bw LD50 (oral, female rat) = 5620 mg/kg bw No indication of carcinogenicity to humans (not listed by IARC). This is a man-made compound that is used as a pesticide. Propyzamide is pratically non-toxic to mammals on an acute oral exposure basis., however a 2-generation reproduction study in rats found that propyzamide caused effects on both adult and offspring body size. Propyzamide causes local irritation when applied to the skin. 2014-08-29T06:51:45Z 2014-12-24T20:26:52Z C14333 true CC(C)(N=C(O)C1=CC(Cl)=CC(Cl)=C1)C#C C12H11Cl2NO InChI=1S/C12H11Cl2NO/c1-4-12(2,3)15-11(16)8-5-9(13)7-10(14)6-8/h1,5-7H,2-3H3,(H,15,16) InChIKey=PHNUZKMIPFFYSO-UHFFFAOYSA-N 256.128 255.021769393 Exogenous Solid CHEMBL283487 29822