Resorcinol

• Formula: C₆H₆O₂
• Molecular weight: 110.1106
• IUPAC Standard InChI: InChI=1S/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H Copy

  
• IUPAC Standard InChIKey: GHMLBKRAJCXXBS-UHFFFAOYSA-N Copy
• CAS Registry Number: 108-46-3
• 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-Benzenediol; α-Resorcinol; m-Benzenediol; m-Dihydroxybenzene; m-Dioxybenzene; m-Hydroquinone; m-Hydroxyphenol; Benzene, 1,3-dihydroxy-; C.I. Developer 4; C.I. Oxidation Base 31; C.I. 76505; Developer O; Developer R; Developer RS; Durafur Developer G; Fouramine RS; Fourrine EW; Fourrine 79; Nako TGG; Pelagol Grey RS; Pelagol RS; Resorcin; 1,3-Dihydroxybenzene; 3-Hydroxyphenol; Benzene, m-dihydroxy-; Phenol, m-hydroxy-; NCI-C05970; Rcra waste number U201; Resorcine; UN 2876; NSC 1571; Rodol RS; 1,3-Dihydroxybenzene (resorcinol)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

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: John E. Bartmess

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

C₆H₅O₂^- +  =

By formula: C₆H₅O₂^- + H⁺ = C₆H₆O₂

Gas phase ion energetics 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:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₆H₆O₂⁺ (ion structure unspecified)

Proton affinity at 298K

Protonation entropy at 298K

Ionization energy determinations

De-protonation reactions

C₆H₅O₂^- +  =

By formula: C₆H₅O₂^- + H⁺ = C₆H₆O₂

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
• SOLID (SPLIT MULL, FLUOROLUBE FOR 3800-1340 AND NUJOL FOR 1340-400 CM ^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

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

• gas

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Notes

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

Sabbah and Buluku, 1991
Sabbah, R.; Buluku, E.N.L.E., Thermodynamic study of three isomers of dihydroxybenzene, Can. J. Chem., 1991, 69, 481-488. [all data]

Desai, Wilhoit, et al., 1968
Desai, P.D.; Wilhoit, R.C.; Zwolinski, B.J., Heat of combustion of resorcinol and enthalpies of isomerization of dihydroxybenzenes, J. Chem. Eng. Data, 1968, 13, 334-335. [all data]

Pushin, 1954
Pushin, N.A., Heats of combustion and heats of formation of isomeric organic compounds, Bull. Soc. Chim. Belgrade, 1954, 19, 531-547. [all data]

Kudchadker S.A., 1979
Kudchadker S.A., Ideal gas thermodynamic properties of benzene diols: pyrocatechol, resorcinol, and hydroquinone, Thermochim. Acta, 1979, 30, 319-326. [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Kebarle and McMahon, 1977
Kebarle, P.; McMahon, T.B., Intrinsic Acidities of Substituted Phenols and Benzoic Acids Determined by Gas Phase Proton Transfer Equilibria, J. Am. Chem. Soc., 1977, 99, 7, 2222, https://doi.org/10.1021/ja00449a032 . [all data]

Bouchoux, Defaye, et al., 2002
Bouchoux, G.; Defaye, D.; McMahon, T.B.; Likholyot, A.; Mo, O.; Yanez, M., Structural and energetic aspects of the protonation of phenol, catechol, resorcinol, and hydroquinone, Chem. Eur. J., 2002, 8, 2900-2909. [all data]

Palmer, Moyes, et al., 1979
Palmer, M.H.; Moyes, W.; Speirs, M.; Ridyard, J.N.A., The electronic structure of substituted benzenes; ab initio calculations and photoelectron spectra for phenol, the methyl- and fluoro-derivatives, and the dihydroxybenzenes, J. Mol. Struct., 1979, 52, 293. [all data]

Notes

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• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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