Difference between revisions of "Chlorpyrifos"

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Toxic, white granule crystals with a strong odor. Chlorpyrifos is an organophosphate type contact [[insecticide]] sold under the brand name of [[Dursban]]. Dursban is broad spectrum insecticide used to control [[cockroach|cockroaches]], chinch bugs, fleas, [[termite|termites]], ants, and ticks. It has been used in pet flea and tick collars.
 
Toxic, white granule crystals with a strong odor. Chlorpyrifos is an organophosphate type contact [[insecticide]] sold under the brand name of [[Dursban]]. Dursban is broad spectrum insecticide used to control [[cockroach|cockroaches]], chinch bugs, fleas, [[termite|termites]], ants, and ticks. It has been used in pet flea and tick collars.
 
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[[[SliderGallery rightalign|chlorpyrifosir.jpg~FTIR|chlorpyrifosstr.jpg~Chemical structure]]]
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
chlorpyriphosethyl; chloropyrifos (sp); O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; Dursban [Dow]: Lorsban; Dowco 179; ENT 27311
 
chlorpyriphosethyl; chloropyrifos (sp); O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; Dursban [Dow]: Lorsban; Dowco 179; ENT 27311
 
[[[SliderGallery rightalign|chlorpyrifosir.jpg~FTIR|chlorpyrifosstr.jpg~Chemical structure]]]
 
  
 
== Risks ==
 
== Risks ==
  
Toxic by inhalation, ingestion and skin contact. Corrosive to iron, copper and brass.  Discolors red dyes. May leave deposits on nearby surfaces.  Combustible.     
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* Toxic by inhalation, ingestion and skin contact.  
 
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* Corrosive to iron, copper and brass.   
Cayman Chemical [https://www.caymanchem.com/msdss/21412m.pdf SDS]
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* Discolors red dyes.  
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* May leave deposits on nearby surfaces.   
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* Combustible.     
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* Cayman Chemical [https://www.caymanchem.com/msdss/21412m.pdf SDS]
  
 
== Physical and Chemical Properties ==
 
== Physical and Chemical Properties ==
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|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 41-42
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| 41-42 C
 
|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 1.398
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| 1.398 g/ml
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
 
| mol. wt. = 350.6
 
| mol. wt. = 350.6
 
|}
 
|}
 
  
 
== Resources and Citations ==
 
== Resources and Citations ==

Latest revision as of 13:45, 29 May 2022

Mass spectrum of chlorpyrifos

Description

Toxic, white granule crystals with a strong odor. Chlorpyrifos is an organophosphate type contact Insecticide sold under the brand name of Dursban. Dursban is broad spectrum insecticide used to control cockroaches, chinch bugs, fleas, termites, ants, and ticks. It has been used in pet flea and tick collars.

FTIR

Chlorpyrifosir.jpg

Chemical structure

Chlorpyrifosstr.jpg

Synonyms and Related Terms

chlorpyriphosethyl; chloropyrifos (sp); O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; Dursban [Dow]: Lorsban; Dowco 179; ENT 27311

Risks

  • Toxic by inhalation, ingestion and skin contact.
  • Corrosive to iron, copper and brass.
  • Discolors red dyes.
  • May leave deposits on nearby surfaces.
  • Combustible.
  • Cayman Chemical SDS

Physical and Chemical Properties

Soluble in acetone, benzene, carbon disulfide, carbon tetrachloride, chloroform, diethyl ether, methylene chloride, xylene. Insoluble in water.

Composition C9H11Cl3NO3PS
CAS 2921-88-2
Melting Point 41-42 C
Density 1.398 g/ml
Molecular Weight mol. wt. = 350.6

Resources and Citations

  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
  • Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988
  • J. Dawson, CCI Technical Bulletin, 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002