Chlorimuron-ethyl

Action/Use:

Herbicide

Use: Postemergence yellow nutsedge and annual broadleaf weed control in peanuts and soybeans.

Chemistry

Class: Sulfonylurea.

Properties: White solid. Melting point 186�C. Low solubility in organic solvents.

Mode of Action / Resistance Management

Chemical Group: Sulfyonylurea

Mode of Action: Inhibition of acetolactate synthase ALS (acetohydroxyacid synthase AHAS)

Action Group: HRAC Group B; WSSA Group 2

Registration

Outside U.S.A.: Argentina, Paraguay.

Environmental Guidelines

Water Solubility: 1200 ppm at 25�C (pH 7)

Hazards: Fish: LC₅₀ >1000 mg/l (96 h) (rainbow trout); >100 mg/l (bluegill). Bird: >2510 mg/kg (mallard). Dietary >5620 ppm (mallard, quail). Bee: 12.5 �g/bee (48 h)

Safety Guidelines

Signal Word: CAUTION

Toxicity Class: III

Handling/storage Cautions: Avoid contact with skin, eyes, or clothing. Wash contaminated clothing with soap and hot water before reuse. Store in original container away from other pesticides, fertilizer, food, or feed

Toxicity: (Rat): Oral LD₅₀ 4102 mg/kg. (Rabbit): Dermal LD₅₀ >2000 mg/kg

Product/waste Disposal: May be disposed of on-site or at an approved waste disposal facility. Container disposal: triple rinse (or equivalent), then offer for recycling or reconditioning or puncture and dispose of in a sanitary landfill or incineration or, if allowed by state and local authorities, by burning. If burned, stay out of smoke

Suppliers and Branded Products