Triethyl phosphate

• Formula: C₆H₁₅O₄P
• Molecular weight: 182.1547
• IUPAC Standard InChI: InChI=1S/C6H15O4P/c1-4-8-11(7,9-5-2)10-6-3/h4-6H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: DQWPFSLDHJDLRL-UHFFFAOYSA-N Copy
• CAS Registry Number: 78-40-0
• 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: TEP; Phosphoric acid, triethyl ester; Ethyl phosphate; (C2H5O)3PO; Ethyl phosphate ((EtO)3PO); Tris(ethyl) phosphate; Triethylfosfat; o-Phosphoric acid triethyl ester; NSC 2677; Triethoxyphosphine oxide; Ethyl phosphate, tri-
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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 vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
• LIQUID (NEAT); PERKIN-ELMER 21 (GRATING); 2 cm^-1 resolution
• SOLUTION (10% CCl4 FOR 3800-1340, 10% CS2 FOR 1340-470 CM^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

Data compiled by: Tanya L. Myers, Russell G. Tonkyn, Ashley M. Oeck, Tyler O. Danby, John S. Loring, Matthew S. Taubman, Stephen W. Sharpe, Jerome C. Birnbaum, and Timothy J. Johnson

• liquid; Bruker Vertex 70 FTIR; 0.48217186 cm^-1 resolution

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

• gas

Mass spectrum (electron ionization)

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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

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, custom temperature program

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Kovats' RI, polar column, isothermal

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

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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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References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Haertel, 1985
Haertel, G.H., Low-volatility polar organic solvents for sulfur dioxide, hydrogen sulfide, and carbonyl sulfide., J. Chem. Eng. Data, 1985, 30, 57. [all data]

Panneerselvam, Antony, et al., 2007
Panneerselvam, K.; Antony, M.P.; Srinivasan, T.G.; Rao, P.R. Vasudeva, Measurement of enthalpies of vaporization of trialkyl phosphates using correlation gas chromatography, Thermochimica Acta, 2007, 466, 1-2, 49-56, https://doi.org/10.1016/j.tca.2007.10.007 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Chattorpadhyay, Findley, et al., 1981
Chattorpadhyay, S.; Findley, G.L.; McGlynn, S.P., Photoelectron spectroscopy of phosphites and phosphates, J. Electron Spectrosc. Relat. Phenom., 1981, 24, 27. [all data]

Hodges, McDonnell, et al., 1980
Hodges, R.V.; McDonnell, T.J.; Beauchamp, J.L., Properties reactions of trimethyl phosphite, trimethyl phosphate, triethyl phosphate, and trimethyl phosphorothionate by ion cyclotron resonance spectroscopy, J. Am. Chem. Soc., 1980, 102, 1327. [all data]

Bafus, Gallegos, et al., 1966
Bafus, D.A.; Gallegos, E.J.; Kiser, R.W., An electron impact investigation of some alkyl phosphate esters, J. Phys. Chem., 1966, 70, 2614. [all data]

Vovna, Lopatin, et al., 1975
Vovna, V.I.; Lopatin, S.N.; Pettsol'd, R.; Vilesov, F.I., Photoelectron spectra and electronic structure of some phosphoryl compounds, Khim. Vys. Energ., 1975, 9, 9. [all data]

Betteridge, Thompson, et al., 1972
Betteridge, D.; Thompson, M.; Baker, A.D.; Kemp, N.R., Photoelectron spectra of phosphorus halides, alkyl phosphites and phosphates, organophosphorus pesticides, and related compounds, Anal. Chem., 1972, 44, 2005. [all data]

Huber, Kenndler, et al., 1993
Huber, J.F.K.; Kenndler, E.; Reich, G.; Hack, W.; Wolf, J., Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention Data, Anal. Chem., 1993, 65, 20, 2903-2906, https://doi.org/10.1021/ac00068a031 . [all data]

Zulaïca and Guiochon, 1963
Zulaïca, J.; Guiochon, G., Séparation et identification de di-esters aliphatiques et aromatiques et de trimesters phosphoriques par chromatographie en phase gazeuse, Bull. Soc. Chim. Fr., 1963, 6, 1242-1252. [all data]

Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C., Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses, J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1 . [all data]

Kostiainen, 2000
Kostiainen, O., Gas Chromatography in Screening of Chemicals Related to the Chemical Weapons Convention in Encyclopedia of Analytical Chemistry, Meyers, R.A., ed(s)., John Wiley Sons Ltd, Chichester, 2000, 963-979. [all data]

Hancock and Peters, 1991
Hancock, J.R.; Peters, G.R., Retention index monitoring of compounds of chemical defence interest using thermal desorption gas chromatography, J. Chromatogr., 1991, 538, 2, 249-257, https://doi.org/10.1016/S0021-9673(01)88845-2 . [all data]

D'Agostino and Provost, 1985
D'Agostino, P.A.; Provost, L.R., Gas chromatographic retention indices of chemical warfare agents and simulants, J. Chromatogr., 1985, 331, 47-54, https://doi.org/10.1016/0021-9673(85)80005-4 . [all data]

Messadi and Vergnaud, 1979
Messadi, D.; Vergnaud, J.-M., Quick identification and analysis of plasticizers in PVC by programmed-temperature gas chromatography using the best stationary phases, J. Appl. Polym. Sci., 1979, 24, 5, 1215-1225, https://doi.org/10.1002/app.1979.070240507 . [all data]

Yasuhara, Shiraishi, et al., 1997
Yasuhara, A.; Shiraishi, H.; Nishikawa, M.; Yamamoto, T.; Uehiro, T.; Nakasugi, O.; Okumura, T.; Kenmotsu, K.; Fukui, H.; Nagase, M.; Ono, Y.; Kawagoshi, Y.; Baba, K.; Noma, Y., Determination of organic components in leachates from hazardous waste disposal sites in Japan by gas chromatography-mass spectrometry, J. Chromatogr. A, 1997, 774, 1-2, 321-332, https://doi.org/10.1016/S0021-9673(97)00078-2 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

D'Agostino, Hansen, et al., 1985
D'Agostino, P.A.; Hansen, A.S.; Lockwood, P.A.; Provost, L.R., Capillary Column Gas Chromatography-Mass Spectrometry of Tabun, J. Chromatogr., 1985, 347, 257-266, https://doi.org/10.1016/S0021-9673(01)95491-3 . [all data]

Zenkevich, 1999
Zenkevich, I.G., Precalculation of Gas Chromatographic Retention Indices of Organic Compounds from Boiling Points of their Structural Analogues, Zh. Struct. Khim., 1999, 40, 1, 121-130. [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  Tboil	Boiling point
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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