Diethyl methanephosphonate

• Formula: C₅H₁₃O₃P
• Molecular weight: 152.1287
• IUPAC Standard InChI: InChI=1S/C5H13O3P/c1-4-7-9(3,6)8-5-2/h4-5H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: NYYLZXREFNYPKB-UHFFFAOYSA-N Copy
• CAS Registry Number: 683-08-9
• 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: DEMP; Diethyl methylphosphonate; Phosphonic acid, methyl-, diethyl ester; Diethoxymethylphosphine oxide; O,O-Diethyl methylphosphonate; Methylphosphonic acid, diethyl ester
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

IR Spectrum

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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 Tensor 27 FTIR; 0.48212986 cm^-1 resolution

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

• gas

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

Van Den Dool and Kratz RI, non-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

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

Butrow, Buchanan, et al., 2009
Butrow, Ann B.; Buchanan, James H.; Tevault, David E., Vapor Pressure of Organophosphorus Nerve Agent Simulant Compounds, J. Chem. Eng. Data, 2009, 54, 6, 1876-1883, https://doi.org/10.1021/je8010024 . [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]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [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]

D'agostino, Provost, et al., 1987
D'agostino, P.A.; Provost, L.R.; Visentini, J., Analysis of O-Ethyl S-[2-(Diisopropylamino)ethyl] Methylphosphonothiolate (VX) by Capillary Column Gas Chromatography-Mass Spectrometry, J. Chromatogr., 1987, 402, 221-232, https://doi.org/10.1016/0021-9673(87)80020-1 . [all data]

Savel'eva, Zenkevich, et al., 2003
Savel'eva, E.I.; Zenkevich, I.G.; Radilov, A.S., Identification the Products of Chemical Neutralization of O-Isobutyl-S-(2-diethylaminoethyl)methylthiophosphonate in the Composition of Bitumen-Salt Matrices, Zh. Anal. Khim. (Rus.), 2003, 58, 2, 135-145. [all data]

Söderström, Ketola, et al., 1995
Söderström, M.T.; Ketola, R.A.; Kostiainen, O., Identification of some nerve agent homologues and dialkyl methylphosphonates by gas chromatography/Fourier transform infrared spectrometry. Part II. Spectral search with the help of retention indices, Fresenius J. Anal. Chem., 1995, 352, 6, 550-556, https://doi.org/10.1007/BF00323072 . [all data]

OPCW, 1997
OPCW, Conference of the States Parties C-I/DEC.64 (22 May 1997), 1997, retrieved from http://www.opcw.org/html/global/c_series/csp1/CI_DEC64.html. [all data]

Notes

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• Symbols used in this document:
  

  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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