Indoxacarb

Indoxacarb
Names
Preferred IUPAC name
Methyl 7-chloro-2,5-dihydro-2-[[(methoxycarbonyl)[4-(trifluoromethoxy)phenyl]amino]carbonyl]indeno[1,2-e][1,3,4]oxadiazine-4a(3H)-carboxylate
Systematic IUPAC name
(S)-Methyl 7-chloro-2-{[(methoxycarbonyl)[4-(trifluoromethoxy)phenyl]amino]carbonyl}-2H,3H,4aH,5H-indeno[1,2-e][1,3,4]oxadiazine-4a-carboxylate
Identifiers
3D model (JSmol)
Abbreviations DPX-MP062
8366683
ChEBI
ChemSpider
ECHA InfoCard 100.108.182
KEGG
MeSH Indoxacarb
UNII
UN number UN 3077
Properties
C22H17ClF3N3O7
Molar mass 527.84 g·mol−1
Melting point 88.1 °C (190.6 °F; 361.2 K) 99% indoxacarb PAI
Pharmacology
QP53AX27 (WHO)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Indoxacarb is an oxadiazine pesticide developed by DuPont that acts against lepidopteran larvae. It is marketed under the names Indoxacarb Technical Insecticide, Steward Insecticide and Avaunt Insecticide. It is also used as the active ingredient in Syngenta line of commercial pesticides: Advion and Arilon.[1][2][3]

Its main mode of action is via blocking of nerve sodium channels. It is fairly lipophilic with a Kow of 4.65. This pesticide should be used with caution since some insects such as the oriental tobacco budworm (Helicoverpa assulta) become resistant when exposed.[4]

Household products

Indoxacarb is the active ingredient in a number of household insecticides, including cockroach and ant baits, and can remain active after digestion. [5] In 2012 DuPont's Professional Products including the line of Advion and Arilon products was purchased by Syngenta.[6] Indoxacarb is the active ingredient in the new pet product, Activyl from Merck Animal Health. It is marketed to kill fleas on dogs and cats.[7]

Toxicity to humans

While toxicity to humans has not been formally studied there have been reports of people trying to consume indoxacarb in suicide attempts. Consumption of indoxacarb can cause acute onset of methemoglobinemia.[8] Methemoglobinemia is a condition which ultimately decreases the effectiveness of red blood cells to exchange oxygen with organs. Methemoglobinemia can be fatal if left untreated, but proper treatment of this condition can rapidly begin reversing it.

References

  1. ↑ United States Environmental Protection Agency. Office of Prevention, Pesticides and Toxic Substances (7505C). Pesticide Fact Sheet. Name of Chemical: Indoxacarb. Reason for Issuance: Conditional Registration. Date Issued: October 30, 2000. Archived May 2, 2004, at the Wayback Machine.
  2. ↑ United States Environmental Protection Agency. Federal Register: Indoxacarb; Pesticide Tolerance. Federal Register: July 11, 2007 (Volume 72, Number 132)
  3. ↑ Commission Directive 2006/10/EC of 27 January 2006 amending Council Directive 91/414/EEC to include forchlorfenuron and indoxacarb as active substances. Official Journal of the European Union 2006-1-28
  4. ↑ Wang, Kai-Yun; Zhang, Yong; Wang, Hong-Yan; Xia, Xiao-Ming; Liu, Tong-Xian (2010-01-01). "Influence of three diets on susceptibility of selected insecticides and activities of detoxification esterases of Helicoverpa assulta (Lepidoptera: Noctuidae)". Pesticide Biochemistry and Physiology. 96 (1): 51–55. doi:10.1016/j.pestbp.2009.09.003.
  5. ↑ "Indoxacarb Insecticide Wipes Out Entire Cockroach Generations". June 23, 2008. Retrieved 2009-12-14.
  6. ↑ http://www3.syngenta.com/country/au/en/news/releases/Pages/Syngenta-acquires-DuPont-Professional-Products.aspx
  7. ↑ http://us.activyl.com
  8. ↑ Prasanna, L; Rao, S. M; Singh, V; Kujur, R; Prasanna, Lakshmi (2008). "Indoxacarb poisoning: An unusual presentation as methemoglobinemia". Indian Journal of Critical Care Medicine. 12 (4): 198–200. doi:10.4103/0972-5229.45082. PMC 2738321. PMID 19742262.

Further reading

  • Lapied, Bruno; Françoise Grolleau; David B Sattelle (January 2001). "Indoxacarb, an oxadiazine insecticide, blocks insect neuronal sodium channels". Br J Pharmacol. 132 (2): 587–595. doi:10.1038/sj.bjp.0703853. PMC 1572588. PMID 11159709.
  • Khambay, Bhupinder P.S. (2002). "Pyrethroid Insecticides". Pesticide Outlook. 13 (2): 49–54. doi:10.1039/b202996k.
  • Moncada, Adriana. Environmental Fate of Indoxacarb. Environmental Monitoring Branch, Department of Pesticide Regulation, State of California. March 6, 2003
  • Tillman, P Glynn; Hammes, Glenn G; Sacher, Matthew; Connair, Michael; Brady, E Angela; Wing, Keith D (January 2002). "Toxicity of a formulation of the insecticide indoxacarb to the tarnished plant bug, Lygus lineolaris (Hemiptera: Miridae), and the big-eyed bug, Geocoris punctipes (Hemiptera: Lygaeidae)". Pest-Manag-Sci. 58 (1): 92–100. doi:10.1002/ps.426. PMID 11838290. Archived from the original on 2008-08-07.
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