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carfentrazone-ethyl CAS 128621-72-7

carfentrazone(freeacid);CARFENTRAZONE;ethyl-(RS)-2-chloro-3-[2-chloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol)-4-fluorophenyl]propionate;F116426;F8426;Affinty;ethyl(RS)-2-chloro-3-(2-chloChemicalbookro-5-(4-difluirimethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)-4-fluorophenyl)propionate;ethyl-2-dichloro-5-(4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)-4-fluorobenzenepropanate
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  • 128621-72-7

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  • 128621-72-7

carfentrazone-ethyl Basic information
Product Name: carfentrazone-ethyl
Synonyms: carfentrazone (free acid);CARFENTRAZONE;ethyl-(RS)-2-chloro-3-[2-chloro-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol)-4-fluorophenyl] propionate;F 116426;F 8426;Affinty;ethyl (RS)-2-chloro-3-(2-chloro-5-(4-difluirimethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)-4-fluorophenyl)propionate;ethyl-2-dichloro-5-(4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)-4-fluorobenzenepropanate
CAS: 128621-72-7
MF: C13H10Cl2F3N3O3
MW: 384.14
EINECS:
Mol File: 128621-72-7.mol
carfentrazone-ethyl Chemical Properties
Boiling point 472.8±55.0 °C(Predicted)
density 1.67±0.1 g/cm3(Predicted)
pka 2.76±0.14(Predicted)
EPA Substance Registry System Benzenepropanoic acid, .alpha.,2-dichloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluoro- (128621-72-7)
Product Name
carfentrazone-ethyl
Molecular formula
C15H14Cl2F3N3O3
CAS
128639-02-1
Molecular weight
411.03
toxicity
Allowable daily intake: 0.03mg/kg
Acute oral LD50: > 5000mg / kg
Acute percutaneous LD50: > 4000mg / kg
function
Carfentrazone-ethyl is a contact selective herbicide. Under the condition of light, in the process of chlorophyll biosynthesis, it leads to the accumulation of toxic intermediates by inhibiting protoporphyrinogen oxidase, which destroys the cell membrane of weeds and makes the leaves dry and die rapidly.



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