Chlormephos (chemical formula: C5H12ClO2PS2) is an organothiophosphate insecticide. It is classified as an extremely hazardous substance in the United States as defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. 11002), and is subject to strict reporting requirements by facilities which produce, store, or use it in significant quantities.[1]

Chlormephos
Names
Preferred IUPAC name
S-(Chloromethyl) O,O-diethyl phosphorodithioate
Other names
Chlormethylfos
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.042.292 Edit this at Wikidata
UNII
  • InChI=1S/C5H12ClO2PS2/c1-3-7-9(10,8-4-2)11-5-6/h3-5H2,1-2H3
    Key: QGTYWWGEWOBMAK-UHFFFAOYSA-N
  • InChI=1/C5H12ClO2PS2/c1-3-7-9(10,8-4-2)11-5-6/h3-5H2,1-2H3
    Key: QGTYWWGEWOBMAK-UHFFFAOYAZ
  • ClCSP(=S)(OCC)OCC
Properties
C5H12ClO2PS2
Molar mass 234.69 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Chloromephos exhibits its toxic effects via the inhibition of the enzyme acetylcholinesterase, this is the same mechanism of action as the notorious chemical weapons known as V-series nerve agents.

References

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  1. ^ "40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities" (PDF) (July 1, 2008 ed.). Government Printing Office. Archived from the original (PDF) on February 25, 2012. Retrieved October 29, 2011. {{cite journal}}: Cite journal requires |journal= (help)