See All ProductsImazamethabenz-methyl

Action

Herbicide

Use

A selective, postemergence herbicide for control of wild oat, mustard, and buckwheat in sunflowers and barley and wheat.

Formulation

Liquid concentrate, soluble granule.

Identification

Common Names

Imazamethabenz-methyl (BSI, ISO-E draft); Imazamethabenz

Exp. Code Number

AC 222293

CAS Codes

81405-85-8 (Imazamethabenz-methyl); 100728-84-5 (Imazamethabenz)

Other Code Number

SHA 128842, 128843

Chemistry

Compositions

Reaction product comprising methyl (±)-6-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-m-toluate & methyl (±)-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-p-toluate (IUPAC); methyl (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-4-methylbenzoate + methyl (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-methylbenzoate (CAS)

Class

Imidazolinone.

Properties

Clear colorless-amber liquid with mild amine odor. Softening begins at 108°-117°C. Melting point 113°-122°C, completed at 144°-153°C. Soluble in most common organic solvents.

Mode of Action / Resistance Management

Chemical Group

imidazolinone

Mode of Action

inhibition of acetolactate synthase ALS (acetohydoxyacid synthase AHAS)

Action Group

HRAC Group B; WSSA Group 2

Environmental Guidelines

Hazard

Fish: >100 mg/l (96 hr.) (rainbow trout, bluegill). Bird: Dietary >5000 ppm (bobwhite, mallard). Bee: >100 µg/bee

Water Solubility

Distilled water, 1370 ppm for the m-isomer; 857 ppm for the p-isomer

Safety Guidelines

Signal Word

DANGER

Toxicity Class

I

Toxicity

(Rat): Oral LD50 >5000 mg/kg (tech), 2679 mg/kg (form). (Rabbit): Dermal LD50 >2000 mg/kg (tech, form). Corrosive to eyes; mildly irritating to skin

Handling/Storage Caution

Stable at least 33 months at 75°F

Protective Clothing

Chemical-resistant apron when cleaning equipment, mixing, or loading. Chemical-resistant gloves. Protective eyewear.

Emergency Guidelines

Flashpoint

>82°C (SCC); >93°C (closed-cup)

Fire Extenguishing Media

Water, alcohol foam, dry chemical, or CO2

First Aid

Get medical aid. Eyes: hold eyelids open and flush with a steady, gentle stream of water for 15 minutes. Skin: wash thoroughly with soap and water. Ingestion: drink a large quantity of milk, egg white, or gelatin solution. If these are not available, drink large quantities of water. Avoid alcohol