Benzoic acid, 3,4,5-trihydroxy-

• Formula: C₇H₆O₅
• Molecular weight: 170.1195
• IUPAC Standard InChI: InChI=1S/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12) Copy

  
• IUPAC Standard InChIKey: LNTHITQWFMADLM-UHFFFAOYSA-N Copy
• CAS Registry Number: 149-91-7
• 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: Gallic acid; 3,4,5-Trihydroxybenzoic acid; Kyselina gallova; Kyselina 3,4,5-trihydroxybenzoova
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Reaction 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  =  + 

By formula: C₁₀H₁₂O₅ + H₂O = C₇H₆O₅ + C₃H₈O

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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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.

Lobanov and Karmanova, 1971
Lobanov, G.A.; Karmanova, L.P., Enthalpy of formation of some organic substances, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1971, 14, 865-867. [all data]

Hirsbrunner, 1934
Hirsbrunner, H., Uber das gleichgewicht der thermischen dissoziation der salicylsaure, Helv. Chim. Acta, 1934, 17, 477-504. [all data]

Tewari, Schantz, et al., 1996
Tewari, Y.B.; Schantz, M.M.; Rekharsky, M.V.; Goldberg, R.N., Thermodynamics of the hydrolysis of 3,4,5-trihydroxybenzoic acid propyl ester (n-propylgallate) to 3,4,5-trihydroxybenzoic acid (gallic acid) and propan-1-ol in aqueous media and in toluene, J. Chem. Thermodyn., 1996, 28, 171-185. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH	Enthalpy of sublimation

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