1,2,3-Benzenetriol

• Formula: C₆H₆O₃
• Molecular weight: 126.1100
• IUPAC Standard InChI: InChI=1S/C6H6O3/c7-4-2-1-3-5(8)6(4)9/h1-3,7-9H Copy

  
• IUPAC Standard InChIKey: WQGWDDDVZFFDIG-UHFFFAOYSA-N Copy
• CAS Registry Number: 87-66-1
• 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: Pyrogallol; C.I. Oxidation Base 32; C.I. 76515; Fouramine Brown AP; Fourrine PG; Fourrine 85; Pyrogallic acid; 1,2,3-Trihydroxybenzene; Benzene, 1,2,3-trihydroxy-; 1,2,3-Trihydroxybenzen; 2,3-Dihydroxyphenol; Fouramine base ap; Piral; Pyro; Benzene-1,2,3-triol; NSC 5035; C.I. 76551; Phenol
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
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Gas 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

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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Reduced pressure boiling point

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of sublimation

Enthalpy of fusion

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986
Ribeiro Da Silva, M.D.M.C.; Ribeiro Da Silva, M.A.V.; Pilcher, G., Enthalpies of combustion of the three trihydroxybenzenes and of 3-methoxycatechol and 4-nitrocatechol, J. Chem. Thermodyn., 1986, 18, 295-300. [all data]

Barker, 1925
Barker, M.F., Calorific value and constitution, J. Phys. Chem., 1925, 29, 1345-1363. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Rai and George, 1992
Rai, U.S.; George, S., A physicochemical study on organic eutectics and addition compound; benzidine-pyrogallol system, Can. J. Chem., 1992, 70, 2869-74. [all data]

Verevkin and Schick, 2004
Verevkin, Sergey P.; Schick, Christoph, Determination of vapor pressures, enthalpies of sublimation, and enthalpies of fusion of benzenetriols, Thermochimica Acta, 2004, 415, 1-2, 35-42, https://doi.org/10.1016/j.tca.2003.09.011 . [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]

von Terres, Gebert, et al., 1955
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W., Brennst.-Chem., 1955, 36, 272. [all data]

von Terres, Gebert, et al., 1955, 2
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W., Zur Kenntnis der physikalisch-chemischen Grundlagen der Gewinnung und Zerlegung der Phenolfraktionen von Steinkohlenteer und Braunkohlenschwelteer. IV. Mitteilung Die Dampfdrucke von Phenol und Phenolderivaten, Brennst.-Chem., 1955, 36, 272-274. [all data]

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

Rai and George, 1992, 2
Rai, U.S.; George, Santhi, A physicochemical study on organic eutectics and addition compound; benzidine--pyrogallol system, Can. J. Chem., 1992, 70, 12, 2869-2874, https://doi.org/10.1139/v92-366 . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas 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
  ΔvapH	Enthalpy of vaporization

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