See All ProductsNicosulfuron

Action

Herbicide

Use

Postemergence for control of most annual and some perennial grasses and broadleaf weeds in corn.

Formulation

Water dispersible granule, suspension concentrate.

Identification

Common Name

Nicosulfuron (ANSI, BSI, ISO, F-ISO)

Exp. Code Numbers

MU-495 (Ishihara Sangyo Kaisha, Ltd.); SL-950 (Ishihara Sangyo Kaisha, Ltd.); DPX V9360 (DuPont)

CAS Code

111991-09-4

Other Code Number

SHA 129008

Chemistry

Compositions

2-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-N,N-dimethylnicotinamide (IUPAC); 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N,N-dimethyl-3-pyridinecarboxamide (CAS)

Class

Sulfonylurea.

Properties

Tan colored.

Molecular Formula

C15H18N6O6S

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

Hazard

Fish: LC50 >1000 ppm (96 h) (bluegill); LC50 >1000 ppm (96 h) (rainbow trout); EC50 >1000 ppm (48 h) (Daphina). Bird: Oral LD50 >2250 mg/kg (bobwhite quail); Dietary LC50 >5620 ppm (mallard duck)

Water Solubility

360 ppm at pH 5.01, 39,200 ppm at pH 8.8

Safety Guidelines

Signal Word

CAUTION

Toxicity Class

III

Toxicity

(Rat): Oral LD50 >5000 mg/kg b.w. (Rabbit): Dermal LD50 >2000 mg/kg

Protective Clothing

Chemical-resistant footwear plus socks. Long-sleeved shirt and long pants. Chemical-resistant gloves. Protective eyewear.

Emergency Guidelines

First Aid

Get medical aid. Eyes: flush immediately with plenty of water for at least 15 minutes. Skin: wash thoroughly with soap and water. Remove and wash contaminated clothing and shoes. Inhalation: remove to fresh air