Chemical: 吡嘧磺隆
Use category: Herbicides > Pyrazole herbicides;Herbicides > Sulfonylurea Herbicides
Content & formulation: 96%,10%WP, 30%WP
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CAS】:ethyl 5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylate
CAS No.】:93697-74-6
Molecular Formula】:C14H18N6O7S

Molecular weigh】:414.4.

Physical form】:Colourless crystals.

Density】:1.46 (20 °C);

Melting point】:177.8-179.5 °C;

Vapour pressure】:4.2×10-5 mPa (25 °C);

Partition coefficient(n-octanol and water)】:logP = 1.3 (unstated pH);

pKa】:3.7; Solubility:In water 9.96 mg/l (20 °C). In methanol 4.32, hexane 0.0185, benzene 15.6, chloroform 200, acetone 33.7 (all in g/l, 20 °C).;

Stability】:Stable at 50 °C for 6 months. Relatively stable at pH 7. Unstable in acidic or alkaline media. Soluble in chloroform, and ethyl acetate.

It has eminent activity against a broad spectrum of annual and perennial rice paddy weeds, especially broad leaf weeds and sedges, with pre-emergence and early post-emergence application and at extremely low use rates


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