carfentrazone-ethyl

Function

Herbicide

Specification

carfentrazone-ethyl 90% Tech, 40%WDG, Carfentrazone-ethyl 12% + Tribenuron-methyl 16% WP

Chemical Name

ethyla,2-dichloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluorobenzenepropanoate

CAS No.

128639-02-1

Empirical Formula

C15H14Cl2F3N3O3

Toxicology

Oral Acute oral LD50 for female rats 5143 mg/kg. 

Skin and eye Acute percutaneous LD50 for rats >4000 mg/kg. Minimally irritating to eyes and non-irritating to skin (rabbits). No skin sensitisation (guinea pigs). 

Inhalation LC50 (4 h) for rats >5 mg/l. 

NOEL (2 y) for rats 3 mg/kg daily. 

Toxicity class WHO (a.i.) III (company classification); EPA (formulation) III, IV 

Applications

Carfentrazone-ethyl Mode of action Absorbed by foliage, with limited translocation. Carfentrazone-ethyl Uses Post-emergence control in cereals of a wide range of broad-leaved weeds, especially Galium aparine, Abutilon theophrasti, Ipomoea hederacea var. hederacea, Chenopodium album and several mustard species, at 9-35 g/ha. Also for desiccation of potatoes, at 60 g/ha.Phytotoxicity Good tolerance in wheat, barley and rice. Carfentrazone-ethyl

Package

25KG/Drum, 1Kg/Al bag, etc