Diethyl phosphite

• Formula: C₄H₁₁O₃P
• Molecular weight: 138.1021
• IUPAC Standard InChI: InChI=1S/C4H11O3P/c1-3-6-8(5)7-4-2/h8H,3-4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: MJUJXFBTEFXVKU-UHFFFAOYSA-N Copy
• CAS Registry Number: 762-04-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Phosphonic acid, diethyl ester; Diethyl acid phosphite; Diethyl hydrogen phosphite; Diethyl phosphonate; Hydrogen diethyl phosphite; O,O-Diethyl phosphonate; OPH(OC2H5)2; Diethoxyphosphine oxide; Ethyl phosphonate ((EtO)2HPO); Phosphorous acid, diethyl ester; NSC 2665
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₄H₁₁O₃P⁺ (ion structure unspecified)

Ionization energy determinations

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-460 CM^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 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

Van Den Dool and Kratz 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.

Sagadeev and Safina, 2008
Sagadeev, E.V.; Safina, Yu.G., Thermochemistry of dithiophosphoric acid derivatives, Russ J Gen Chem, 2008, 78, 1, 65-68, https://doi.org/10.1134/S107036320801012X . [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]

Zverev and Villem, 1980
Zverev, V.V.; Villem, Y.Y., Ionizationp potentials of phosphoryl compounds, J. Struct. Chem., 1980, 21, 22, In original 30. [all data]

Zverev, Villem, et al., 1979
Zverev, V.V.; Villem, Ya.Ya.; Bel'skii, V.E.; Kitaev, Yu.P., The photoelectronic spectra of phosphoryl compounds, Izv. Akad. Nauk SSSR, Ser. Khim., 1979, 1, 84. [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]

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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