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Cyhalofop-butyl

issuing time :2020-10-26

Chemical name: (R) - 2 - [4 -(4-cyano-2-fluorophenoxy) phenoxy] - Butyl Propionate


English name:Cyhalofop-butyl


Molecular formula: C20H20FNO4


Structural formula:


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CAS No.:122008-85-9               EN No.:601-817-0


Product introduction:

Content ratio: ≥98%

Package standard:25KG/bag, 25KG/drum

Packaging Certificate for Dangerous Goods Info.:


Goods category:9      UN No.:3077      package level:Ⅲ      Goods condition: Solid


Package category

Packaging

Package standard

Unit gross weigh

Unit pure wight

Bag

Paper plastic
 composite bag

55*85cm

25.2KG

25KG

Drum

Fiber drum

Φ36*50cm

27.8KG

25KG

 

Physical and chemical properties: the crude drug is white like, with specific gravity of 1.2375 (20 ℃), boiling point of 363 ℃, melting point of 48-49 ℃, vapor pressure of 8.8 × 10-9mmhg (20 ℃), soluble in most organic solvents: acetonitrile 57.3%, methanol 37.3%, acetone 60.7%, chloroform 59.4%, insoluble in water.


Action characteristics: it is the only aromatic phenoxypropionic acid herbicide with high safety to rice. Like other varieties of this kind, it is also an internal absorption and conductive herbicide. It is absorbed by the leaves and sheaths of plants, and transmitted by phloem. It accumulates in the meristem region of plants, resists acetyl CoA carboxylase (ACCase), stops the synthesis of fatty acids, stops the growth and division of cells, destroys lipid-containing structures such as membrane system, and finally causes plant death. It takes 1-3 weeks for cyhalothrin to be absorbed to weed death. The symptoms of weeds after application are as follows: the tender buds at the four leaf stage wither, leading to death. At the second leaf stage, the old leaves changed little and kept green. It has high safety to rice. Because of its rapid degradation in soil and typical paddy water, it is safe for subsequent crops.


Application:mainly used to control important gramineous weeds. Cyhalothrin is not only highly effective against Euphorbia chinensis and all kinds of barnyardgrass (including older barnyardgrass), but also can be used to control, Digitaria Sanguinalis, paspalum bicolor, Setaria Setaria, Achyranthes sinense and Agropyron aestivum. It has no effect on Cyperaceae weeds and broad-leaved weeds.


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