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Title: Esfenvalerate  
Author: World Heritage Encyclopedia
Language: English
Subject: Empenthrin, Ethoprop, Metofluthrin, Mevinphos, Oxon (chemical)
Publisher: World Heritage Encyclopedia


CAS number  YesY
Molecular formula C25H22ClNO3
Molar mass 419.90 g mol−1
Density 1.211 g/cm3
Vapor pressure 0 mmHg at 25 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)

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]


  1. ^ Kelly, Kevin. "Evironmental Fate of Esfenvalerate". 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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