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  • Jiangsu Hormone Research Institution Co., Ltd.Jiangsu Hormone Research Institution Co., Ltd.

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    Jiangsu Institute of Ecomones Co., Ltd.
    • P. C.: 213200
    • Add:95 Huanyuan N. Road, Economic Development Zone, Jintan, Jiangsu 213200, China
    • Tel of Domestic Trade Department: +86-519-82824504
    • Trade of Foreign Trade Department: +86-519-82821700
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    Esfenvalerate

    Common name: esfenvalerate(BSI, ISO)

    Trade name: Belmark; Pydrin; Asana-Hp/XL; Asana; Sumi-alpha; Sumicidin Aa;

    Alias:S-1844; S-5602A2; OMS-3023; fenvalerate

    Chemical name:(S)-cyano(3-phenoxyphenyl)methyl (2S)-2-(4-chlorophenyl)-3-methylbutanoate

    Structural formula:

    CAS:66230-04-4

    Molecular formula:C25H22ClNO3

    Molecular weight:419.9

    Properties: pure product is white crystalline crystal, melting point is 59.0~60.2℃, density is d23231.163, specific rotation is [α]25D-15.0(C=2.0, CH3OH). Vapor pressure at 20℃ is 35.1μPa, at 25℃ is 66.7μPa. Technical product is brown viscous liquid or solid. Melting point is 49.9~55.7℃(purity is 98.2%), specific density is d261.26, boiling point>200℃/1.33×102Pa, ignition point is 420℃, flash point >200℃. Solubility at 25℃ (%): xylene, acetone, methylisobutylketone, acetic ether, trichloromethane, acetonitrile, dimethylformamide, dimethylsulfoxide, and tenneco 500~100>60; 1-Methylnaphthalene is 50~60; ethyl cellosolve is 40~50; methyl alcohol is 7~10; n-hexane is 1~5; kerosene<1. Solubility in water at 25℃<0.3mg/kg.

    Formula:5% EC, 2.5% EC.

    Quality standard:5% esfenvalerate EC is yellowish-brown oily liquid. Density is 0.903, flash point is 27℃(close). It has favorable emulsifying property.

    Control objects: cotton bollworm, pink worm, peach fruit moth, oriental fruit moth bean-pod borer, soybean aphid, tea geometrid, tea tussork moth, European corn borer, cabbage moth, imported cabbageworm, apple aphid, peach aphid, etc.

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