| Customization: | Available |
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| CAS No.: | 93697-74-6 |
| Appearance: | Powder |
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| Active ingredient | Pyrazosulfuron-ethyl | ||
| Molecular formula | |||
| Chemical name | ethyl 5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylate | ||
| Classification | Herbicide / Agrochemical | ||
| Formulation | 10%WP, 20%WP | ||
| Biochemistry | Branched chain amino acid synthesis (ALS or AHAS) inhibitor. Acts by inhibiting biosynthesis of the essential amino acids valine and isoleucine, hence stopping cell division and plant growth. Selectivity derives from rapid metabolism (demethylation of methoxy group) in the crop. | ||
| Mode of action | Systemic herbicide, absorbed by roots and/or leaves and translocated to the meristems. | ||
| Uses | Control of annual and perennial broad-leaved weeds and sedges, pre- or post-emergence in wet-sown and transplanted rice crops, at 15-30 g/ha. | ||
| Mammalian Toxicology | Oral: Acute oral LD50 for rats and mice >5000 mg/kg. Skin and eye: Acute percutaneous LD50 for rats >2000 mg/kg. Non-irritating to skin and eyes (rabbits). Non-sensitising to skin (guinea pigs). Inhalation: LC50 for rats >3.9 mg/l air. |
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| Certificate of quality | Pyrazosulfuron-ethyl 10%WP | ||
| Item Content of Pyrazosulfuron-ethyl Moisture Suspensibility pH value Fineness (325Mesh) Wetting time Persistent foam |
Specification ≥10.0% ≤2.0% ≥60.0% 6.0-9.0 ≥98.0% ≤60.0s ≤25.0ml |
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