See All ProductsCarfentrazone-ethyl

Action

Herbicide

Use

Postemergent, contact herbicide for controlling broadleaf weeds on barley, caneberry, corn, cotton, mustard, oats, rice, sorghum, wheat, turf and ornamentals.

Formulation

Dry flowable, emulsifiable concentrate.

Identification

Common Names

Carfentrazone-ethyl (BSI, ISO draft); Carfentrazone

Exp. Code Numbers

F8426; F116426

CAS Codes

128639-02-1; 128621-72-7 (Carfentrazone)

Chemistry

Composition

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

Properties

Viscous yellow-orange liquid. Melting point -22.1°C. Boiling point 350-355°C at 760 mm Hg. Vapor pressure 1.2 x 10-7 mm Hg at 25°C; 5.4 x 10-8 mm Hg at 20°C. Specific gravity 1.457 g/ml at 20°C.

Mode of Action / Resistance Management

Chemical Group

triazolinone

Mode of Action

inhibition of protoporphyrinogen oxidase (PPO)

Action Group

HRAC Group E; WSSA Group 14

Environmental Guidelines

Hazard

Tech: Fish: LC50 1.6 mg/l (96 h) (rainbow trout); 2.0 mg/l (96 h) (bluegill); >9.8 mg/l (48 h) (Daphnia). Bird: Oral LD50 >2250 mg/kg (bobwhite quail); Dietary LC50 (8 day) >5620 ppm (mallard, bobwhite quail)

Water Solubility

12 µg/ml at 20°C, 22 µg/ml at 25°C, 23 µg/ml at 30°C

Safety Guidelines

Toxicity

Tech: (Rat): Oral LD50 5143 mg/kg. Dermal LD50 >4000 mg/kg. LC50 >5.09 mg/l (4 h)

Handling/Storage Caution

Stable under normal storage conditions. Store in tightly closed containers

Emergency Guidelines

Flashpoint

>110°C

First Aid

Eyes: flush with water for at least 15 minutes. Skin: wash with plenty of soap and water. Inhalation: remove to fresh air. Ingestion: drink 1-2 glasses of water. Get medical aid