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IUPAC name 4-Bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluoromethyl-1H-pyrrole-3-carbonitrile
CAS number 122453-73-0
Molecular formula C15H11BrClF3N2O
Molar mass 407.6 g/mol
Density 0.543 g/ml tapped bulk density
Melting point

100-101 °C

Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Chlorfenapyr is a pesticide derived from a class of microbially produced compounds known as halogenated pyrroles. The EPA initially denied registration in 2000 for use on cotton primarily because of concerns that the insecticide was toxic to birds and because effective alternatives were available. However, it was registered in January, 2001 for use on non-food crops in greenhouses. Chlorfenapyr works by disrupting the production of ATP.


  • US EPA (2001). Pesticide Fact Sheet: Chlorfenapyr.
  • US EPA (2000). Decision Memorandum: Denial of Registration of Chlorfenapyr for Use on Cotton. Retrieved on 2006-07-28.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Chlorfenapyr". A list of authors is available in Wikipedia.
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