See All ProductsChlorsulfuron

Action

Herbicide

Use

A selective preemergence or early postemergence herbicide used at low rates. Carefully consider crop rotation plans before using. Controls broadleaf weeds, annual ryegrass in Conservation Reserve Program (CRP). Pre- or postemergence to crop for some annual grasses in wheat, barley, durum, oats.

Formulation

Dry flowable, water dispersible granule.

Identification

Common Name

Chlorsulfuron (ANSI, ISO, BSI, WSSA)

Exp. Code Number

DPX 4189 (DuPont Agricultural Products)

CAS Code

64902-72-3

Other Code Number

SHA 118601

Chemistry

Composition

2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl) amino] carbonyl]benzenesulfonamide (CAS)

Class

Sulfonylurea.

Properties

Odorless, white, crystalline solid. Melting point 174-178°C. Slight solubility in methylene chloride, acetone, methanol, toluene, and hexane.

Mode of Action / Resistance Management

Chemical Group

sulfonylurea

Mode of Action

inhibition of acetolactate synthase ALS (acetohydoxyacid synthase AHAS)

Action Group

HRAC Group B; WSSA Group 2

Environmental Guidelines

Water Solubility

587 ppm at pH 5; 31,800 ppm at pH 7

Safety Guidelines

Signal Word

CAUTION

Toxicity Class

III

Toxicity

Tech (Rat): Oral LD50 5545mg/kg (male); 6293 mg/kg (female). (Rabbit): Dermal LD50 >3400 mg/kg

Handling/Storage Caution

Stable when excess moisture or humidity are excluded from container