Phosphoric acid, diethyl 3,5,6-trichloro-2-pyridyl ester

• Formula: C₉H₁₁Cl₃NO₄P
• Molecular weight: 334.521
• IUPAC Standard InChI: InChI=1S/C9H11Cl3NO4P/c1-3-15-18(14,16-4-2)17-9-7(11)5-6(10)8(12)13-9/h5H,3-4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: OTMOUPHCTWPNSL-UHFFFAOYSA-N Copy
• CAS Registry Number: 5598-15-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Diethyl 3,5,6-trichloro-2-pyridyl phosphate; Dursban oxygen analog; Dursban O-analog; Dursbanoxon; Phospyrat ethyl; 3,5,6-Trichloro-2-pyridyl diethyl phosphate; Chloropyrifos oxon; Chlorpyrifos oxon; Chloropyrifos oxygen analog; Fospirate-ethyl; Phosphoric acid, diethyl 3,5,6-trichloro-2-pyridinyl ester; O,O-Diethyl O-3,5,6-trichloro-2-pyridyl phosphate; 3,5,6-Trichloro-2-pyridyl diethylphosphate (chlorpyrifos oxon)
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Enthalpy of fusion

IR Spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Additional Data

Gas Chromatography

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, temperature ramp

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Kovats' RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, custom temperature program

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F . [all data]

Goel, McConnell, et al., 2007
Goel, Anubha; McConnell, Laura L.; Torrents, Alba, Determination of vapor pressure-temperature relationships of current--use pesticides and transformation products, Journal of Environmental Science and Health, Part B, 2007, 42, 4, 343-349, https://doi.org/10.1080/03601230701309494 . [all data]

Donnelly, Drewes, et al., 1990, 2
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Thermochimica Acta, 1990, 167, 2, 155-187, https://doi.org/10.1016/0040-6031(90)80476-F . [all data]

Oyama, Sano, et al., 1987
Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K., Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices, Eisei Kagaku, 1987, 33, 5, 342-348, https://doi.org/10.1248/jhs1956.33.342 . [all data]

Lora-Tamayo, Rams, et al., 1986
Lora-Tamayo, C.; Rams, M.A.; Chacon, J.M.R., Gas Chromatographic Data for 187 Nitrogen- or Phosphorus-Containing Drugs and Metabolites of Toxicological Interest Analysed on Methyl Silicone Capillary Columns, J. Chromatogr., 1986, 374, 73-85, https://doi.org/10.1016/S0378-4347(00)83254-5 . [all data]

Hall, Whitehead, et al., 1986
Hall, G.L.; Whitehead, W.E.; Mourer, C.R.; Shibamoto, T., A new gas chromatographic retention index for pesticides and related compounds, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 5, 266-271, https://doi.org/10.1002/jhrc.1240090503 . [all data]

Tanabe, Mitobe, et al., 2000
Tanabe, A.; Mitobe, H.; Kawata, K.; Sakai, M.; Yasuhara, A., New monitoring system for ninety pesticides and related compounds in river water by solid-phase extraction with determination by gas chromatography/mass spectrometry, J. AOAC Int., 2000, 83, 1, 61-77. [all data]

Bicchi, D'Amato, et al., 1994
Bicchi, C.; D'Amato, A.; Orlandin, M., Identification of the constituents of a complex mixture by combined use of retention indices and specific multidetection responses, J. Hi. Res. Chromatogr., 1994, 17, 5, 335-338, https://doi.org/10.1002/jhrc.1240170510 . [all data]

Murayama, Mukai, et al., 2000
Murayama, H.; Mukai, H.; Mitobe, H.; Moriyama, N., Simple method for determining trace pesticides in air using extraction disks, Anal. Sci., 2000, 16, 3, 257-263, retrieved from http://wwwsoc.nii.ac.;p/jsac/analsci/pdfs/a16₀257.pdf, https://doi.org/10.2116/analsci.16.257 . [all data]

Department of Food Safety and Welfare, 2006
Department of Food Safety, Ministry of Health; Welfare, Analytical methods for residual compositional substances of agricultural chemicals, feed aadditives, and veterinary drugs in foods, 2006, retrieved from http://www.mhlw.go.jp/english/topics/foodsafety/positivelist060228/de/060526-1a.pdf. [all data]

Kawara, Asada, et al., 2005
Kawara, K.; Asada, T.; Oikawa, K.; Tanabe, A., Multiresidue determination of pesticides in sediments by ultrasonically assisted extraction and gas chromatography/mass spectrometry, J. AOAC International, 2005, 88, 5, 1440-1451. [all data]

Zenkevich, Ostroukhova, et al., 2002
Zenkevich, I.G.; Ostroukhova, O.K.; Dolzhenko, V.I., Optimum analytical parameters for chromatographic characterization of pesticides, J. Anal. Chem. USSR (Engl. Transl.), 2002, 57, 1, 35-39. [all data]

Tameo and Kiyos, 1991
Tameo, O.; Kiyos, I., Simultaneous determination of pesticides by capillary gas chromatography, Cannot be traslated (in Japan), 1991, 14, 2, 109-122. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation

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