Highly Effective Herbicide Pyrazosulfuron-Ethyl 10%WP, 20%WP

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Hangzhou Tianlong Biotechnology Co Ltd

VIP   Audited Supplier 18 years
Profile Certified by SGS/BV
10%WP, 20%WP
93697-74-6
C14H18N6O7S
Powder
Cauline Leaf Treatment
Selective
Organic
The Tag Type Herbicides
White
Pyrazosulfuron-Ethyl
TOP AGRO
Follow Customer's Request
FAO/SGS
Zhejiang, China
3808
Product Description
Pyrazosulfuron-ethyl
Product Parameters
Specification: 98%TC, 10%WP, 50%WP, 60%WDG, 150OD, 200OD
Appearance: White powder
Molecular Formula: C14H18N6O7S
Molecular Weight:414.39 g/mol
CAS NO.:93697-74-6
 
Physical & Chemical Properties
Appearance: White powder
Molecular Weight:414.39 g/mol
Solubility: Water 14.5mg/l, acetone 31.7g/l, cloroform 234g/l, hexane 0.2g/l, methanol 0.7g/l.
Density: 1.440 g/cm3 at 20 °C (68 °F)
Melting Point: 181 - 182 °C
Boiling Point: no data available
Flash Point: > 170.00 °C (> 338.00 °F) - closed cup

Toxicity
Acute toxicity
LD50 Oral - rat - > 5,000 mg/kg
LD50 Dermal - rat - > 2,000 mg/kg
Skin corrosion/irritation
Skin - rabbit - No skin irritation
Serious eye damage/eye irritation
Eyes - rabbit - No eye irritation

Mode of action

Systemic herbicide, absorbed by roots and/or leaves and translocated to the meristems.

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. Metabolic basis of selectivity in sulfonylureas reviewed (M. K. Koeppe & H. M. Brown, Agro-Food-Industry, 1995, 6, 9-14).

Application
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.
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