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Herbicides

Sulfometuron-methyl

Chemical Name: methyl 2-[[[[(4,6-dimethyl-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoate

Formula: C15H16N4O5S

Molecular Weight: 364.37

CAS No.: 74222-97-2

Structure:

Description:

Appearance: off white or colorless solid.

Specific gravity: 1.48

Melting Point: 193-194°C.

Vapour Pressure: negligible at 25°C.

Solubility: in water: 6.4 mg/l (pH 5) at 25°C and 244 mg/l (pH 7) at 25°C, 3,300 mg/kg in acetone; 1,800 mg/kg in acetonitrile; 137 mg/kg in ethanol; 37 mg/kg in xylene (all @ 253,300 mg/kg in acetone; 1,800 mg/kg in acetonitrile; 137 mg/kg in ethanol; 37 mg/kg in xylene (all at 25 °C).

Specification: 95%TC, 75%WDG, 75%WP

Uses: Sulfometuron methyl is a broad spectrum urea herbicide. It is 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. It is applied either postemergent or preemergent. It works by blocking cell division in the active growing regions of stem and root tips (meristematic tissue).

 

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