Common name: chlorimuron
Alias:2-(4-chloro-6-methoxypyrimidin-2-ylcarbamoylsulfamoyl)benzoic acid; 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoic acid; 2-{[(4-chloro-6-methoxypyrimidin-2-yl)carbamoyl]sulfamoyl}benzoic acid
Chemical name: 2-(4-chloro-6-methoxypyrimidin-2-ylcarbamoylsulfamoyl)benzoic acid
Structural formula:
CAS:90982-32-4(ester); 99283-00-8(acid)
Molecular formula:C15H15C15N15O15S(estr)
Molecular weight:414.5(estr)
Properties: pure product is white solid powder, amd technical product is light yellow powder. Melting point is 186℃, pKa4.2, soluble in dimethylformamide and 1,4-dioxane, slightly soluble in acetone and ethyl alcohol, poorly soluble in benzene and other non-polar solvents. Solubility in water at 25℃ is 11mg/L(pH5), 1.2g/L(pH7).
Formula:5％ or 20％ wettable powder.
Quality standard:20％ wettable powder. It is white or light yellow powder. Active chlorimuron ingredient is 20％; mesh ≥300; moisture ≤0.5; pH6.0～7.0.
Control objects: Anti-freezing nutgrass flatsedge, broad-leaved weeds and some grassy weeds, such as XanThium sibiricum, amaranthus retroflexus, abutilon acalypha australis, bidens tripartite, rumex crispus, etc.
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