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Herbicides

Chlorimuron-ethyl

Chemical Name:

IUPAC: ethyl 2-(4-chloro-6-methoxypyrimidin-2-ylcarbamoylsulfamoyl)benzoate

CAS No.: ethyl 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoate

Formula: C15H15ClN4O6S

Molecular Weight: 414.82

CAS No.: 90982-32-4

EPA PC CODE: 128901

Structure:

Description:

Appearance: white to brown powder.

Melting Point: 185-187°C.

Vapour Pressure: 0.49n Pa (20°C)

Solubility (25°C): 11mg/L (pH5) 1.2g/L (pH7) in water. Kow 320 (pH5), 2.3 (pH7). Imino group is acidic.

Specification: 95%TC,25%SC, 25%WP, 25%WDG

Uses: Used post-emergence for control of important broad-leaved weeds, such as cocklebur, pigweed, sunflower and annual morning glory, in soya beans and peanuts. Active at 9-13 g/ha.

Mode of action: Acts by inhibiting biosynthesis of the essential amino acids valine and isoleucine, hence stopping cell division and plant growth.

 

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