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Chemical Identification
Common Name
Sulfometuron-methyl
中文通用名
甲嘧磺隆
IUPAC
methyl 2-(4,6-dimethylpyrimidin-2-ylcarbamoylsulfamoyl)benzoate
or
methyl 2-[3-(4,6-dimethylpyrimidin-2-yl)ureidosulfonyl]benzoate
CAS
methyl 2-[[[[(4,6-dimethyl-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoate
CAS No.
74222-97-2
Molecular Formula
C15H16N4O5S
Molecular Structure
Category
Activity
Sulfometuron-methyl is a broad-spectrum sulfonylurea herbicide.It kills plants by stopping the division of growing cells, particularly cells in the tips of plant roots. On a molecular level, sulfometuron methyl inhibits the activity of an enzyme called acetolactate synthase (ALS).
CropUse
Used for the control of annual and perennial grasses and broad-leaved weeds in non crop land. It also has forestry applications where it is used to control woody tree species.
Premix
Metsulfuron-methyl+imazapyr+sulfometuron-methyl
Metsulfuron-methyl+sulfometuron-methyl
Chlorsulfuron+sulfentrazone+sulfometuron-methyl
Chlorsulfuron+sulfometuron-methyl
Sulfometuron-methyl+hexazinone
Glyphosate-isopropylammonium+sulfometuron-methyl
Water dispersible granule. Premix Parters: mefenacet naproanilide; mefenacet pyrazolynate;
Physical Properties
Odorless, white solid. Melting point 203-205°C. Slightly soluble in ether and xylene; highly soluble in acetone, acetonitrile.
Toxicology
(Rat): Oral LD50 >5000 mg/kg
Environmental Profile
WATER SOLUBILITY: Approx. 10 ppm at pH 5.5-300 ppm at 25°C (pH 7)
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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