PS610 Supelco


analytical standard

Synonym: O,O-Diethyl O-(4-nitrophenyl) phosphate, Diethyl p-nitrophenyl phosphate, Paraoxon-ethyl, Paraoxon

  • CAS Number 311-45-5

  • Linear Formula O2NC6H4OP(O)(OC2H5)2

  • Molecular Weight 275.20

  •  Beilstein Registry Number 1915526

  •  EC Number 206-221-0

  •  MDL number MFCD00007316

  •  PubChem Substance ID 24899254



Related Categories Analytical Standards, Analytical/Chromatography, Food and Cosmetic Component Standards, Standards for Personal Care and Cosmetic Products, neats,
grade   analytical standard
form   neat
packaging   ampule of 100 mg
mfr. no.   Chem Service, Inc., PS-610
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
refractive index   n20/D 1.51(lit.)
density   1.274 g/mL at 25 °C(lit.)
format   neat
Gene Information   human ... PON1(5444)


Biochem/physiol Actions

Potent irreversible acetylcholinesterase inhibitor


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

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN2810 - class 6.1 - PG 1 - MP - RQ - Toxic, liquids, organic, n.o.s., HI: all
WGK Germany 


Certificate of Analysis

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
IsProduct PS610, Paraoxon - analytical standard, a solid or a liquid?
This is an oil or liquid at room temperature.
What is Product PS610, Paraoxon - analytical standard, soluble in?
This is freely soluble in diethyl ether, and in most other organic solvents.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Protocols & Articles


GC Analysis of Organophosphorus Pesticides (OP-Pest) in Cabbage, Onion, and Mushrooms on SLB-5ms after SPE using Supelclean™ ENVI-Carb™ II/PSA

From our library of Articles, Sigma-Aldrich presents GC Analysis of Organophosphorus Pesticides (OP-Pest) in Cabbage, Onion, and Mushrooms on SLB-5ms after SPE using Supelclean™ ENVI-Carb™ II/PSA
Keywords: Agriculture, Centrifugation, Chromatography, Degradations, Environmental, Gas chromatography, Nitrogen phosphorus detector, Pesticides, Purification, Sample preparations, Separation, Solid phase extractions

Peer-Reviewed Papers


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