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etoxazole

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Origin: China

Cas No: 153233-91-1

Specification: 99%min

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  • Products Specification
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    CAS No.: 153233-91-1 Formula: C21H23F2NO2 Molecular Weight: 359.41000

    Description

    Etoxazole is a narrow spectrum systemic acaricide used to combat spider mites. It targets a variety of mites in the egg, larvae and nymph stages however not the adult stage. It also exhibits insecticidal activity towards aphids, the green rice leafhopper and diamondback moth. The mode of action was originally suspected to inhibit the molting process but has since been shown to inhibit chitin synthesis. Resistance due to its high efficacy and cross resistance when used with other acaricides are both of concern similar to was seen in the fast development of cross resistance in the previous generation of acaricides. The LC50 for resistant mite strains has been observed over 100,000 times greater than that of susceptible strains. Thus resistance management strategies are important in order to limit the increase of etoxazole resistant mite strains.
    Etoxazole has a mammalian toxicity LD50 of 5 g/kg and an environmental persistence DT50 of 19 days. Toxicity towards fish is of potential concern.
    Etoxazole was discovered in the 1980s by Yashima and was released for commercial use in 1998 in Japan. It is sold under various commercial preparations for crop application such as TetraSan 5 WDG and Zeal by Valent in the United States.

    Basic Info

    Chemical Name etoxazole
    Synonyms

    4-(4-tert-butyl-2-ethoxyphenyl)-2-(2,6-difluorophenyl)-4,5-dihydro-1,3-oxazole;
    (RS)-5-tert-butyl-2-[2-(2,6-difluorophenyl)-4,5-dihydro-1,3-oxazol-4-yl]phenetole;
    4-(4-(tert-Butyl)-2-ethoxyphenyl)-2-(2,6-difluorophenyl)-4,5-dihydrooxazole;
    2-(2,6-difluorophenyl)-4-[4-(1,1-dimethylethyl)-2-ethoxyphenyl]-4,5-dihydrooxazole;
    rac-(4R)-2-(2,6-difluorophenyl)-4-(4-tert-butyl-2-ethoxyphenyl)-4,5-dihydro-1,3-oxazole;

    CAS No. 153233-91-1
    Molecular Formula C21H23F2NO2
    Molecular Weight 359.41000
    PSA 30.82000
    LogP 4.61470

    Properties

    Density 1.15g/cm3
    Boiling Point 449.1ºC at 760mmHg
    Melting Point 101-102ºC
    Flash Point 225.4ºC
    Refractive Index 1.537
    Storage Condition 0-6ºC
    Vapor Pressure 7.78E-08mmHg at 25°C

    Safety Info

    Safety Statements 60-61
    Risk Statements R50/53

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