1,4-Benzenediol, 2-methyl-

• Formula: C₇H₈O₂
• Molecular weight: 124.1372
• IUPAC Standard InChI: InChI=1S/C7H8O2/c1-5-4-6(8)2-3-7(5)9/h2-4,8-9H,1H3 Copy

  
• IUPAC Standard InChIKey: CNHDIAIOKMXOLK-UHFFFAOYSA-N Copy
• CAS Registry Number: 95-71-6
• 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.
• Species with the same structure:
  • 1,4-Benzenediol, 2-methyl-
• Other names: Hydroquinone, methyl-; p-Toluhydroquinol; p-Toluhydroquinone; p-Toluquinol; Methyl-p-hydroquinone; Methylhydroquinone; Toluhydroquinone; Toluquinol; Tolylhydroquinone; THQ; 2-Methyl-1,4-Benzenediol; 2-Methylhydroquinone; 2,5-Dihydroxytoluene; 1,4-Dihydroxy-2-methylbenzene; 2,5-Toluenediol; 2-Methyl-p-hydroquinone; 2-Methyl-1,4-hydroquinone; NSC 4962; 2-Methyl-1,4-benzenediol (2-methylhydroquinone)
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

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

Enthalpy of fusion

IR Spectrum

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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

Gas Phase Spectrum

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Additional Data

References

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

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

Swietoslawski and Starczedska, 1925
Swietoslawski, W.; Starczedska, H., Correction des donnees thermochimiques de M.A. Valeur, J. Chem. Phys., 1925, 22, 399-401. [all data]

Satoh and Sogabe, 1941
Satoh, S.; Sogabe, T., The heat capacities of some organic compounds containing nitrogen and the atomic heat of nitrogen. (3), Sci., Pap. Inst. Phys. Chem. Res. (Tokyo), 1941, 38, 238-245. [all data]

Ribeiro da Silva and Lobo Ferreira, 2009
Ribeiro da Silva, Manuel A.V.; Lobo Ferreira, Ana I.M.C., Experimental standard molar enthalpies of formation of some methylbenzenediol isomers, The Journal of Chemical Thermodynamics, 2009, 41, 10, 1096-1103, https://doi.org/10.1016/j.jct.2009.04.015 . [all data]

Verevkin, 1999
Verevkin, Sergey P., Substituent effects on the benzene ring. Prediction of the thermochemical properties of alkyl substituted hydroquinones, Phys. Chem. Chem. Phys., 1999, 1, 1, 127-131, https://doi.org/10.1039/a806706f . [all data]

Notes

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

• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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