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Fenvalerate

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Fenvalerate
Names
IUPAC name
(RS)-alpha-Cyano-3-phenoxybenzyl (RS)-2-(4-chlorophenyl)-3-methylbutyrate
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.052.098 Edit this at Wikidata
KEGG
RTECS number
  • CY 1576350
UNII
  • InChI=1S/C25H22ClNO3/c1-17(2)24(18-11-13-20(26)14-12-18)25(28)30-23(16-27)19-7-6-10-22(15-19)29-21-8-4-3-5-9-21/h3-15,17,23-24H,1-2H3 checkY
    Key: NYPJDWWKZLNGGM-UHFFFAOYSA-N checkY
  • InChI=1/C25H22ClNO3/c1-17(2)24(18-11-13-20(26)14-12-18)25(28)30-23(16-27)19-7-6-10-22(15-19)29-21-8-4-3-5-9-21/h3-15,17,23-24H,1-2H3
    Key: NYPJDWWKZLNGGM-UHFFFAOYAU
  • Clc1ccc(cc1)C(C(=O)OC(C#N)c3cccc(Oc2ccccc2)c3)C(C)C
Properties
C25H22ClNO3
Molar mass 419.9 g/mole
Appearance Yellow-brown viscous liquid
Density 1.175 g/cm3
Boiling point 538.9°C@760mmHg
2 μg/L
Hazards
Flash point 279.7°C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Fenvalerate is an insecticide. It is a mixture of four optical isomers which have different insecticidal activities. The 2-S alpha (or SS) configuration 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.

References

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