Esfenvalerate

Esfenvalerate
Names
Systematic IUPAC name
(S)-cyano (3-phenoxyphenyl) methyl-(S)-4-chloro-alpha-(1-methylethyl) benzeneacetate
Other names
Asana

(S)-Fenvalerate
(S)-cyano-(3-phenoxy phenyl)-methyl-(S)-4-chloro-α-(1-methyl ethyl) benzene acetate
Chloro-α-(1-methylethyl)benzeneacetic acid
cyano(3-phenoxyphenyl)methyl ester (CAS)
(S-(R,R))-4-chloro-α-(1-methylethyl) benzeneacetic acid
cyano-(3-phenoxyphenyl)methylester
(S)-α-cyano-3-phenoxy benzyl (S)-2-(4-chloro-phenyl) isovalerate
Fenvalerate A-Alpha
(S-(R*,R*))-Benzeneacetic acid, 4-chloro-α-(1-methylethyl)-cyano(3-phenoxyphenyl)methylester
Cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyl)isovalerate

Cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyl)-3-methylbutyrate[1]
Identifiers
66230-04-4 YesY
ChemSpider 8517510
ECHA InfoCard 100.118.804
Properties
C25H22ClNO3
Molar mass 419.91 g·mol−1
Density 1.211 g/cm3
Vapor pressure 0 mmHg at 25 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Esfenvalerate is a synthetic pyrethroid insecticide marketed under the brand Asana.[2] It is the (S)-enantiomer of fenvalerate.[3]

In the United States, a limit of .05 ppm of the chemical's residue is permissible in food.[4]

References

  1. ↑ Kelly, Kevin. "Environmental Fate of Esfenvalerate" (PDF). California Environmental Protection Agency. Retrieved January 10, 2013.
  2. ↑ Fishel, Frederick M. (2012). "Pesticide Toxicity Profile: Synthetic Pyrethroid Pesticides". University of Florida. Retrieved January 10, 2013.
  3. ↑ "Esfenvalerate". EXTONET (Extension Toxicology Network). Cooperative Extension Offices of Cornell University, Michigan State University, Oregon State University, and University of California at Davis. May 1994. Retrieved January 10, 2013.
  4. ↑ The Code of Federal Regulations of the United States of America. U.S. Government Printing Office. 2006. pp. 445–446.


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