Pyrazosulfuron-Ethyl
Identification
Synonyms: ethyl
5-(((((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)-1-methyl-1H-pyrazole-4-carboxylate;
NC-311; Sirius
CAS
No.: 93697-74-6
Molecular
Weight: 414.3922
Molecular
Formula: C14H18N6O7S
Structural Formula:
Chemical and Physical
Properties: The pure product is
grayish white crystal. Melting point:181-182℃; The solubility: water 0.014g/L,
n-hexane 0.2g/L, chlorform 234.4g/L, benzene 15.6g/L, acetone 31.78g/L. Stable
under normal condition.
Application
1) Sulfonylurea Herbicide
2) Mechanism: To be absorbed mainly by the root of
weeds and spread in whole plant, control the synthetic of weed amino acid.
Make bud and root stop growing.
3) Mainly used for the prevention and cure of
ratalaindica, monochoria vaginalis, cyperus difformis, cyperus serotinus ect
in the transplant and direct-seeding of rice, and has a strong restraint for
echinochoa and crusgailli; also has a special
effection for broadleaf weeds.
4) Dosage: 150-300g/ha.
Specification*
7.5%WP; 10%WP; 95%
TC and other formulation
Standard
Packing
fiber
drums
Risks and Safety Info
Low toxic to higher animal.
Big & small white rat,
acute oral LD50: > 5000mg/kg (male and female)
Acute dermal LD50:
>2000mg/kg (male & female).
Big white rat, acute
inhalation LD50 >3.9mg/L
Non-eye irritation and non-skin irritation for
rabbit
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