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Leptophos

PESTANAL®, analytical standard

Synonym: O-(4-Bromo-2,5-dichlorophenyl) O-methyl phenylphosphonothioate

  • CAS Number 21609-90-5

  • Empirical Formula (Hill Notation) C13H10BrCl2O2PS

  • Molecular Weight 412.07

  •  Beilstein/REAXYS Number 2152663

  •  EC Number 244-472-8

  •  MDL number MFCD00128037

  •  PubChem Substance ID 329754497

  •  NACRES NA.24

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Properties

Related Categories Alpha Index of All Pesticide Standards, Analytical Standards, Analytical/Chromatography, H-M, Insecticides,
grade   analytical standard
product line   PESTANAL®
form   neat
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
mp   71-73 °C
suitability   passes test for identity (NMR)
Featured Industry   Agriculture
Environmental
format   neat
storage temp.   2-8°C
SMILES string   COP(=S)(Oc1cc(Cl)c(Br)cc1Cl)c2ccccc2
InChI   1S/C13H10BrCl2O2PS/c1-17-19(20,9-5-3-2-4-6-9)18-13-8-11(15)10(14)7-12(13)16/h2-8H,1H3
InChI key   CVRALZAYCYJELZ-UHFFFAOYSA-N

Description

General description

Leptophos, an organophosphorus insecticide found to be persistent in the environment, shows neurotoxic effects in humans. Its mode of action for pest control involves the inhibition of acetylcholinesterase enzyme activity.

Application

Leptophos may be used as an analytical reference standard for the quantification of the analyte in vegetables using solid phase micro-extraction coupled with gas chromatography-flame photometric detector (SPME-GC-FPD).

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Sigma-Aldrich International GmbH

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN3464 - class 6.1 - PG 2 - EHS - Organophosphorus compound, toxic, solid, n.o.s., HI: all (not BR)
WGK Germany 
WGK 3
RTECS 
TB1720000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

GC Analysis of 'Positive List' Chemicals (Mix 6) on SLB®-5ms

From our library of Articles, Sigma-Aldrich presents GC Analysis of 'Positive List' Chemicals (Mix 6) on SLB®-5ms
Keywords: Chromatography, Gas chromatography, Herbicides, Pesticides, Purification

US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on Equity®-5, MS Detection

From our library of Articles, Sigma-Aldrich presents US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on Equity®-5, MS Detection
Keywords: Chromatography, Gas chromatography, Pesticides, Purification, Size-exclusion chromatography

US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on Equity®-5, NPD Detection

From our library of Articles, Sigma-Aldrich presents US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on Equity®-5, NPD Detection
Keywords: Chromatography, Gas chromatography, Nitrogen phosphorus detector, Pesticides, Purification, Size-exclusion chromatography

US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on SLB®-5ms

From our library of Articles, Sigma-Aldrich presents US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on SLB®-5ms
Keywords: Chromatography, Gas chromatography, Nitrogen phosphorus detector, Pesticides, Purification

US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on SPB®-608

From our library of Articles, Sigma-Aldrich presents US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on SPB®-608
Keywords: Chromatography, Gas chromatography, Nitrogen phosphorus detector, Pesticides, Purification

Peer-Reviewed Papers
15

References

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