Fenvalerate

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Fenvalerate
Fenvalerate.svg
Fenvalerate molecule
Names
IUPAC name
(RS)-alpha-Cyano-3-phenoxybenzyl (RS)-2-(4-chlorophenyl)-3-methylbutyrate
Identifiers
ATCvet code QP53AC14
QP53AX02
51630-58-1 YesY
ChEBI CHEBI:5014 YesY
ChEMBL ChEMBL492491 YesY
ChemSpider 3230 YesY
Jmol-3D images Image
KEGG C10988 YesY
PubChem 3347
RTECS number CY 1576350
UNII Z6MXZ39302 YesY
Properties
C25H22ClNO3
Molar mass 419.90 g·mol−1
Appearance Yellow-brown viscous liquid
Density 1.175 g/cm3
2 μg/L
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY verify (what isYesY/N?)
Infobox references

Fenvalerate is an insecticide. It is a mixture of four optical isomers which have different insecticidal activities. The 2-S alpha (or SS) configuration, known as esfenvalerate, is the most insecticidally active isomer. Fenvalerate consists of about 23% of this isomer.

Fenvalerate is an insecticide of moderate mammalian toxicity. In laboratory animals, central nervous system toxicity is observed following acute or short-term exposure. Fenvalerate has applications against a wide range of pests. Residue levels are minimized by low application rates. Fenvalerate is most toxic to bees and fish. It is found in some emulsifiable concentrates, ULV, wettable powders, slow release formulations, insecticidal fogs, and granules. It is most commonly used to control insects in food, feed, and cotton products, and for the control of flies and ticks in barns and stables. Fenvalerate does not affect plants, but is active for an extended period of time.

Fenvalerate may irritate the skin and eyes on contact, and is also harmful if swallowed.

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