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Propoxur

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Title: Propoxur  
Author: World Heritage Encyclopedia
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Subject: Ethoprop, Chlorethoxyfos, Dicrotophos, Fenamiphos, Phosmet
Collection: Anticholinesterases, Carbamate Insecticides, Phenol Ethers
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Propoxur

Propoxur
Identifiers
CAS number  YesY
PubChem
ChemSpider  N
UNII  YesY
KEGG  YesY
ChEBI  N
ChEMBL  N
ATCvet code QP53
Jmol-3D images Image 1
Properties
Molecular formula C11H15NO3
Molar mass 209.24 g mol−1
Appearance White to tan crystalline powder[1]
Melting point 187°F - 197°F
Hazards
Flash point > 300°F
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 N   YesY/N?)

Propoxur (Baygon) is a carbamate insecticide and was introduced in 1959. Propoxur is a non-systemic insecticide with a fast knockdown and long residual effect used against turf, forestry, and household pests and fleas. It is also used in pest control for other domestic animals, Anopheles mosquitoes, ants, gypsy moths, and other agricultural pests.[2][3] It can also be used as a molluscicide.[3][4][5]

Several U.S. states have petitioned the Environmental Protection Agency (EPA) to use propoxur against bedbug infestations, but the EPA has been reluctant to approve indoor use because of its potential toxicity to children after chronic exposure.[6]

Action

Carbamate insecticides kill insects by reversibly inactivating the enzyme acetylcholinesterase.

Environmental effects

It rapidly breaks down in alkaline solution.[7] Propoxur is highly toxic to many bird species, but its toxicity varies by the species. It is moderately to slightly toxic to fish and other aquatic species. Propoxur is highly toxic to honeybees.[5]

References

  1. ^ CDC - NIOSH Pocket Guide to Chemical Hazards
  2. ^ ACGIH, 1991a
  3. ^ a b Budavari, 1996a
  4. ^ Lewis, 1993a
  5. ^ a b EXTOXNET Extension Toxicology Network. Pesticide Information Profile. Propoxur. June 1996.
  6. ^ New York Times. In Search of a Bedbug Solution. Published: September 4, 2010.
  7. ^ Propoxur (WHO Pesticide Residues Series 3): October 01, 2009.
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