Flumethrin

Flumethrin

Flumethrin

Chemical compound

Flumethrin is a pyrethroid insecticide.[1] It is used externally in veterinary medicine against parasitic insects and ticks on cattle, sheep, goats, horses, and dogs,[2] and the treatment of parasitic mites in honeybee colonies.

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Chemistry

Flumethrin is a complex mixture of stereoisomers. The molecule contains three asymmetric carbon atoms, there is cis-trans isomerism at the cyclopropane ring, and cis-trans isomerism at the carbon-carbon double bond of the alkene. So there are 16 different isomers. Commercial flumethrin typically contains 92% of the trans isomers on the cyclopropane ring and the cis-configuration at the olefinic carbon-carbon double bond and 8% of the isomer with cis geometry on the cyclopropane ring and the cis-configuration at the olefinic carbon-carbon double bond.[3]

Uses

Flumethrin is used in products, such as flea and tick collars, to protect pets against fleas.[4]

It is also used in the proprietary product, ″Bayvarol″, ″Polyvar Yellow″ which are veterinary treatments used by beekeepers against the parasitic mite Varroa destructor.

References

  1. [1]
    FLUMETHRIN, ncats.io
  2. [2]
    "4.15 Flumethrin (195) (T,R)". FAO Plant Production and Protection Papers. Food and Agriculture Organization of the United Nations. 1997.
  3. [3]
    H. J. Schnitzerling, J. Nolan und S. Hughes (1989). "Toxicology and Metabolism of Isomers of Flumethrin in Larvae of Pyrethroid-Susceptilble and Resistant Strains of the Cattle Tick Boophilus microplus (Acari: Ixodidae)". Experimental & Applied Acarology. 6 (1): 47–54. doi:10.1007/BF01193232. PMID 2707107. S2CID 1787854.
  4. [4]
    "How Soresto Works". petparents.com.


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