See All ProductsTribenuron-methyl

Action

Herbicide

Use

Selective postemergence broadleaf weed control in wheat (including durum), barley, triticale, and fallow.

Formulation

Dry flowable, soluble granules.

Identification

Common Names

Tribenuron-methyl (ANSI, BSI, ISO-E draft); Tribenuron (ANSI, BSI, ISO-E, ISO-F, pa ISO, ISO-F, pa ISO)

Exp. Code Number

DPX L5300

CAS Codes

101200-48-0; 106040-48-6 (Tribenuron)

Chemistry

Compositions

Tribenuron-methyl: Methyl 2-[[[[(4-methoxy-6-methyl-1,3,5,triazin-2-yl)methylamino]carbonyl]amino]sulfonyl]benzoate (CAS 9CI); Tribenuron: 2-[4-methoxy-6-methyl-1,3,5-triazin-2-yl(methyl)carbamoylsulfamoyl]benzoic acid (IUPAC); Tribenuron: 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)methylamino]carbonyl]amino]sulfonyl]benzoic acid (CAS)

Class

Sulfonylurea.

Properties

Light brown solid. Melting point 141°C. Solubility low in organic solvents.

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 mg/l (96 h) (bluegill sunfish, rainbow trout). Bird: (Dietary) LC50 >5620 ppm (mallard duck, bobwhite quail). Bee: LD50 >100 µg/bee (honeybee)

Water Solubility

28 ppm at pH 4, 280 ppm at pH 6

Safety Guidelines

Signal Word

CAUTION

Toxicity Class

III

Toxicity

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

Handling/Storage Caution

Avoid eye, skin, clothing contact. Wash contaminated clothing with soap, hot water before reuse. Store in original container only. Do not contaminate pesticides, fertilizer, food, or feed by storage or disposal. Follow state, local regulations for disposal of product, container, wastes

Emergency Guidelines

First Aid

Eyes: flush with plenty of water. Skin: wash with plenty of water. Get medical aid if irritation persists