Trimellitic acid anhydride

• Formula: C₉H₄O₅
• Molecular weight: 192.1251
• IUPAC Standard InChI: InChI=1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11) Copy

  
• IUPAC Standard InChIKey: SRPWOOOHEPICQU-UHFFFAOYSA-N Copy
• CAS Registry Number: 552-30-7
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-; 1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride; Anhydrotrimellitic acid; Trimellitic acid 1,2-anhydride; Trimellitic acid cyclic 1,2-anhydride; 1,2,4-Benzenetricarboxylic acid anhydride; 1,2,4-Benzenetricarboxylic anhydride; 1,3-Dioxo-5-phthalancarboxylic acid; 4-Carboxyphthalic anhydride; Trimellitic anhydride; Trimellic acid anhydride; Trimellic acid-1,2-anhydride; 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid; 1,2,4-Benzenetricarboxylic acid anhydride-1,2; 1,2,4-Benzenetricarboxylic acid 1,2-anhydride; Benzene-1,2,4-tricarboxylic-1,2-anhydride; Anhydrotrimellic acid; NCI-C56633; TMA; TMAN; 5-Phthalanacarboxylic acid, 1,3-dioxo-; Epon 9150; NSC 60252; benzene-1,2,4-tricarboxylic acid 1,2-anhydride
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• Information on this page:
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
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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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of fusion

Entropy of fusion

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, 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.

Marchidan and Ciopec, 1978
Marchidan, D.I.; Ciopec, M., Thermodynamic properties of maleic, trimellitic and pryomellitic anhydrides, Rev. Roum. Chim., 1978, 23, 1, 19-20. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Marchidan and Ciopec, 1978, 2
Marchidan, D.I.; Ciopec, M., Thermodynamic properties of maleic, trimellitic and pyromellitic anhydrides, Rev. Roum. Chim., 1978, 23, 19-29. [all data]

Notes

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

• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔvapH	Enthalpy of vaporization

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