See All ProductsPyraflufen-ethyl

Action

Herbicide

Use

May be used as a defoliant/desiccant. A fast-acting contact herbicide for broadleaf weeds in cereal grains, corn, cotton, legumes, oil seeds, peanuts, potatoes, soybeans, sugarcane, triticale, vegetables, wheat; also a desiccant for potatoes and defoliant for cotton, noncrop weed control, industrial vegetation management, range and pasture, nonselective broadleaf weed control for tree, nut and vine crops, broadleaf weed control in nurseries and ornamental plantings, sodfarms, Christmas trees, established ornamental turf, controls broadleaf weeds and susceptible woody plants.

Formulation

Emulsifiable concentrate, suspension concentrate.

Identification

Common Name

Pyraflufen-ethyl (BSI, ISO modified)

Exp. Code Number

ET-751

CAS Codes

129630-19-9 (Ester, Salt); 129630-17-7 (Acid)

Chemistry

Compositions

Ethyl [2-chloro-5-(4-chloro-5-difluoromethoxy-1-methyl-1H-pyrazol-3-yl)-4-fluorophenoxy]acetate (IUPAC); Ethyl 2-[2-chloro-5-[4-chloro-5-(difluoromethoxy)-1-methyl-1H-pyrazol-3-yl]-4-fluorophenoxy]acetate (CAS)

Properties

Fine, cream colored powder. Melting point 126°-127°C.

Molecular Formula

C15H13CI2F3N2O4.

Mode of Action / Resistance Management

Chemical Group

phenylprazole

Mode of Action

inhibition of protoporphyrinogen oxidase (PPO)

Action Group

HRAC Group E; WSSA Group 14

Environmental Guidelines

Hazard

Fish: LC50 (96 h) >0.206 (carp), >0.1 (rainbow trout, bluegill sunfish) mg/l. Bird: Oral LD50 >2000 mg/kg (bobwhite quail). Dietary LC50 (8 d) >5000 mg/kg (bobwhite quail, mallard duck). Bee: LD50 (48 h) (Oral) >111 µg/bee; (Contact) >100 µg/bee

Water Solubility

0.082 mg/l (20°C)

Safety Guidelines

Toxicity

(Rat): Oral LD50 >5000 mg/kg; Dermal LD50 >2000 mg/kg. Inhalation LC50 (4 h) >5.03 mg/l

Handling/Storage Caution

Store in a cool place