1,2,4,5-Benzenetetracarboxylic acid, tetramethyl ester

• Formula: C₁₄H₁₄O₈
• Molecular weight: 310.2562
• IUPAC Standard InChI: InChI=1S/C14H14O8/c1-19-11(15)7-5-9(13(17)21-3)10(14(18)22-4)6-8(7)12(16)20-2/h5-6H,1-4H3 Copy

  
• IUPAC Standard InChIKey: QVEIFJBUBJUUMB-UHFFFAOYSA-N Copy
• CAS Registry Number: 635-10-9
• 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: Pyromellitic acid tetramethyl ester; Tetramethyl pyromellitate; Tetramethyl 1,2,4,5-benzenetetracarboxylate; Tetramethyl benzene-1,2,4,5-tetracarboxylate
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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
DRB - Donald R. Burgess, Jr.

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

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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References

Go To: Top, Condensed phase thermochemistry data, Phase change 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.

Dibrivnyi and Donchak, 1982
Dibrivnyi, V.N.; Donchak, V.A., Standard enthalpies of formation of some pyromellitic acid esters, Deposited Document, SPSTL 1014 Khp-D₈₀. Chem. Abst. 97:134437j, 1982, 19-23. [all data]

Van-Chin-Syan, Dibrivnyi, et al., 1981
Van-Chin-Syan, Y.; Dibrivnyi, V.N.; Donchak, V.A.; Chuchmarev, S.K., Standard enthalpies of combustion and formation of pyromellitic esters, Russ. J. Phys. Chem. (Engl. Transl.), 1981, 55, 747. [all data]

Van Chin, Dibrivnyi, et al., 1980
Van Chin, S.; Dibrivnyi, N.V.; Donchak, V.A., Peroxide bond energy in tetra-tert-butyl peroxypyromellitate, Vestn. L'vov. Politekhn. In-ta, 1980, 18-21. [all data]

Colomina, Laynez, et al., 1972
Colomina, M.; Laynez, J.L.; Perez-Ossorio, R.; Turrion, C., Enthalpies of combustion and formation of six methyl esters of benzene carboxylic acids, J. Chem. Thermodyn., 1972, 4, 499-506. [all data]

Dozen, Fujishima, et al., 1978
Dozen, Y.; Fujishima, S.; Shingu, H., Structures and fusion parameters of methoxycarbonyl-benzenes and -naphthalenes, Thermochim. Acta, 1978, 25, 2, 209, https://doi.org/10.1016/0040-6031(78)85008-4 . [all data]

Jimenez, Menendez, et al., 1995
Jimenez, P.; Menendez, V.; Roux, M.V.; Turrion, C., Vapour pressures and enthalpies of sublimation of four polymethoxycarbonylbenzenes, J. Chem. Thermodyn., 1995, 27, 679-683. [all data]

Turrión, 1967
Turrión, C., , Presiones de vapor y calores de sublimación de los ácidos bencenecarboxilicos y sus ésteres metilicos. Beca "Juan March" de estudios en España, grupo B, Madrid, 1967. [all data]

Acree, 1993
Acree, William E., Thermodynamic properties of organic compounds, Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T . [all data]

Fedoreev and Maksimov, 1977
Fedoreev, S.A.; Maksimov, O.B., The study of the composition of aromatic esters by gas-liquid chromatography, Solid Fuel Chem. (Engl. Transl.), 1977, 17-22. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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