Flumethrin
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| IUPAC name
Cyano(4-fluoro-3-phenoxyphenyl)methyl 3-[2-chloro-2-(4-chlorophenyl)vinyl]-2,2-dimethylcyclopropanecarboxylate
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3D model (JSmol)
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PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| C28H22Cl2FNO3 | |
| Molar mass | 510.39 g·mol−1 |
| Pharmacology | |
| QP53AC05 (WHO) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.
Chemistry
[edit | edit source]Flumethrin is a complex mixture of stereoisomers. The molecule contains three asymmetric carbon atoms, there is cis-trans isomerism at the cyclopropane ring, and E/Z 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 Z configuration at the olefinic carbon-carbon double bond and 8% of the isomer with cis geometry on the cyclopropane ring and the Z configuration at the olefinic carbon-carbon double bond.[3]
Uses
[edit | edit source]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.
See also
[edit | edit source]References
[edit | edit source]- ^ FLUMETHRIN, ncats.io
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