Dimethyl methylphosphonate

• Formula: C₃H₉O₃P
• Molecular weight: 124.0755
• IUPAC Standard InChI: InChI=1S/C3H9O3P/c1-5-7(3,4)6-2/h1-3H3 Copy

  
• IUPAC Standard InChIKey: VONWDASPFIQPDY-UHFFFAOYSA-N Copy
• CAS Registry Number: 756-79-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: DMMP; Dimethyl methanephosphonate; Phosphonic acid, methyl-, dimethyl ester; Methanephosphonic acid, dimethyl ester; Dimethoxymethylphosphine oxide; NCI-C54762; Pyrol DMMP; Methyl phosphonic acid, dimethyl ester; Dimethyl ester of methylphosphonic acid; Furan TF 2000; Fyrol DMMP; Metaran; O,O-Dimethyl methylphosphonate; NSC 62240; Phosphonic acid, P-methyl-, dimethyl ester
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • Gas Chromatography
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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:
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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IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• GAS (3.5 mL VAPORIZED AT 100 C); BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution
• GAS (3.5 ml, VAPORIZED AT 100 C) $$ SEE SPECRUM NO. 10229 FOR "LIQUID" RUN; BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm^-1 resolution
• LIQUID (NEAT); BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 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

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

References

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes

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]

Frazer, Gerrard, et al., 1955
Frazer, M.J.; Gerrard, W.; Coulson, C.A.; Orgel, L.E.; Taylor, W.; Weiss, J.; Taylor, W.I.; Uyeo, S.; Yajima, H.; Kosolapoff, Gennady M.; McQuillin, F.J.; Stewart, J.; Henbest, H.B.; Owen, T.C.; Nayler, P.; Whiting, M.C.; Cadogan, J.I.G., Notes, J. Chem. Soc., 1955, 2959, https://doi.org/10.1039/jr9550002959 . [all data]

Kosolapoff, 1955
Kosolapoff, G.M., Vapour Pressures and Densities of Some Lower Alkylphosphonates, J. Chem. Soc., 1955, 2964-2965. [all data]

Notes

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References

• 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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