Common name: Pyrazosulfuron-ethyl

Chemical name: 5-[[[[(4, 6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylic acid.

CAS Number: 98389-04-9

PHYSICAL CHEMISTRY

Mol. Wt. 414.4 M. F. C14H18N6O7S

Appearance: Colourless crystals. M. P. 177.8-179.5 V. P. 4.2? 10-5 mPa (25 ) KOW logP = 1.3 (unstated pH) S. G. /density 1.46 (20 ) Solubility In water 9.96 mg/l (20 ). In methanol 4.32, hexane 0.0185, benzene 15.6, chloroform 200, acetone 33.7 (all in g/l, 20 ). Stability Stable at 50 for 6 months. Relatively stable at pH 7. Unstable in acidic or alkaline media. PKa 3.7

Formulation: 96% tech, 10%WP

Packing: Net 25kg in bag or drum according to the client's requirement.