3988 Thiazopyr Thiazopyr is a herbicide used in the pre-emergent control of broadleaf weeds (chickweed, Lambsquarters, pigweed, etc.) and annual grasses (crabgrass, foxtail, itchgrass, etc.). It is commonly used in citrus (orange and grapefruit) orchards as well as sugar cane and pineapple farms. It is slightly toxic by acute oral and inhalation exposure and practically nontoxic by acute dermal exposure. It is considered to be moderately irritating to the skin and substantially irritating to the eye. There was no evidence of carcinogenic effects in an 18-month chronic/oncogenicity study in mice at dose levels up to and including 800 ppm (216 mg/kg/day). 117718-60-2 91776 C16H17F5N2O2S White powder. 77 - 79°C 0.0025 mg/mL at 20°C No indication of carcinogenicity to humans (not listed by IARC). This is a man-made compound that is used as a pesticide. 2013-04-25T07:56:55Z 2026-03-26T18:33:33Z true COC(=O)C1=C(N=C(C(C2=NCCS2)=C1CC(C)C)C(F)(F)F)C(F)F C16H17F5N2O2S InChI=1S/C16H17F5N2O2S/c1-7(2)6-8-9(15(24)25-3)11(13(17)18)23-12(16(19,20)21)10(8)14-22-4-5-26-14/h7,13H,4-6H2,1-3H3 YIJZJEYQBAAWRJ-UHFFFAOYSA-N 396.375 396.093089513 Exogenous Solid 3.89 HMDB37058 CHEMBL1886222 82873 CHEM002894 DTXSID1032488 NS00000490 51.55 88.5592 34.15601557418417 7 3 0 3.0462615370563255 0 2 4.15 -4.11 3.11e-02 g/l