The Stable Arthropodicidal Composition
1. Technical Result Increase in stability of the composition. 2. Essence A stable arthropodicidal composition containing stabilizer and as active ingredient cypermethrine of the formula (I) CH O Cl CO2 CH Cl wherein carbon atoms indicated by 1,3 and stand a chiral carbon atom and the wavy line i...
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Zusammenfassung: | 1. Technical Result Increase in stability of the composition. 2. Essence A stable arthropodicidal composition containing stabilizer and as active ingredient cypermethrine of the formula (I) CH O Cl CO2 CH Cl wherein carbon atoms indicated by 1,3 and stand a chiral carbon atom and the wavy line indicates cis or trans configuration related to the cyclopropane ring - which contains at least 95% of 1R trans S and 1S trans R (Ib) isomer pair, or mixture of 1R cis S and 1S cis R (Ia) and the isomer pair (Ib) of the ratio (Ia):(Ib) = 55:45-25:75, or the isomer pair Ia or Ib and as a stabilizer non-volatile carboxylic acids of pK1=1-5 such as phtalic acid, succinic acid, tetraric acid, maleic acid, fumaric acid, malonic acid or once or several times substituted alkylated derivatives thereof and/or oxalic acid. 3. Field of Application Organic chemistry. 5 Tables. |
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