3949 Oxadiazon Oxadiazon is used as pre-emergence and post-emergence herbicide. It is mainly used for cotton, rice, soybean and sunflower and acts by inhibiting protoporphyrinogen oxidase (PPO). 19666-30-9 29732 C15H18Cl2N2O3 White powder. Inhalation; dermal. (L2081) 'Oxadiazon is a member of the oxadiazole class of herbicides. While current data are limited, EPA has evidence that compounds within a class may share a common mechanism of toxicity. At this time, the Agency does not have sufficient data concerning common mechanism issues to determine whether or not oxadiazon shares a common mechanism of toxicity with other substances, including other oxadiazoles or other probable human carcinogens.' (L2081) Although, examples of all oxadiazole isomers are known, only the biotransformation pathways of compounds containing 1,2,4-oxdiazole rings have been reported so far. (A15200) LD50 >5000 mg/kg (oral, rat) (L2081); LD50 >2000 mg/kg (dermal, rabbit) (L2081); LC50 >1.94 mg/L (inhalation, rat) (L2081) Not listed by IARC. This is a man-made compound that is used as an herbicide. 2013-04-25T07:56:53Z 2026-03-31T16:51:49Z C18496 true CC(C)OC1=C(Cl)C=C(Cl)C(=C1)N1N=C(OC1=O)C(C)(C)C C15H18Cl2N2O3 InChI=1S/C15H18Cl2N2O3/c1-8(2)21-12-7-11(9(16)6-10(12)17)19-14(20)22-13(18-19)15(3,4)5/h6-8H,1-5H3 CHNUNORXWHYHNE-UHFFFAOYSA-N 345.221 344.069447866 Exogenous Solid CHEMBL1080648 27628 CHEM002855 DTXSID3024239 NS00008448 51.129999999999995 84.8327 34.73506275137991 4 4 0 -4.915768642727779 0 2 4.32 -5.07 2.94e-03 g/l