1,2,4-Benzenetriol

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

  
• IUPAC Standard InChIKey: GGNQRNBDZQJCCN-UHFFFAOYSA-N Copy
• CAS Registry Number: 533-73-3
• 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: 1,3,4-Benzenetriol; 2,5-Dihydroxyphenol; Hydroxyhydroquinone; 2-Hydroxy-1,4-hydroquinone; 1,2,4-Trihydroxybenzene; 1,3,4-Trihydroxybenzene; Benzene-1,2,4-triol; Hydroquinone, hydroxy-; Hydroxyquinol; Oxyhydrochinon; Oxyhydroquinone; NSC 2818; 2-Hydroxy-p-benzohydroquinone
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
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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

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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Enthalpy of fusion

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLID (KBr PELLET); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas; HP-GC/MS/IRD

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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.

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]

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]

Notes

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

• Symbols used in this document:
  

  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 at standard conditions

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