Ethyl-3-(2,2-dichlorvinyl)-2,2-dimethyl-1-cyclopropancarboxylat

Gefahreninformationscode (GHS)

• Bildanzeige (GHS)

  

• Gefahrenhinweise

  H411：Giftig für Wasserorganismen, mit langfristiger Wirkung.

ethyl 3-(2,2-dichlorovinyl)-2,2-dimethyl-1-cyclopropanecarboxylate Chemische Eigenschaften,Einsatz,Produktion Methoden

• Chemische Eigenschaften

  Ethyl permethrin is a colorless and transparent liquid, bp93～94℃/101pa, 78～88℃/27pa, n²⁰_D 1.4833, relative density 1.1170, insoluble In water, soluble in benzene, toluene, chloroform and other organic solvents.

• Verwenden

  Ethyl 3-(2,2-dichlorovinyl)-2,2-dimethyl-1-cyclopropanecarboxylate is an important intermediate of pyrethroids and can be used to prepare permethrin, cypermethrin, beta-cypermethrin, transfluthrin, cyfluthrin, etc.

• Synthese

  Condensation of isobutylene and chloral under the catalysis of AlCl₃ to form a enol, then acetylation, zinc powder reduction and acid-catalyzed isomerization to obtain conjugated dienes, and finally combined with diazoacetic acid Methyl ester (ethyl ester) reacts under the catalysis of copper powder to obtain ethyl 3-(2,2-dichlorovinyl)-2,2-dimethyl-1-cyclopropanecarboxylate.

ethyl 3-(2,2-dichlorovinyl)-2,2-dimethyl-1-cyclopropanecarboxylate Upstream-Materialien And Downstream Produkte

Ethyl-3-(2,2-dichlorvinyl)-2,2-dimethyl-1-cyclopropancarboxylat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global(8)Suppliers

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