1,2-Benzenediol

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

  
• IUPAC Standard InChIKey: YCIMNLLNPGFGHC-UHFFFAOYSA-N Copy
• CAS Registry Number: 120-80-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Pyrocatechol; o-Benzenediol; o-Dihydroxybenzene; o-Dioxybenzene; o-Hydroxyphenol; o-Phenylenediol; c.i. Oxidation base 26; c.i. 76500; Catechol; Catechol (phenol); Durafur developer c; Fouramine pch; Fourrine 68; Oxyphenic acid; Pelagol grey c; Phthalhydroquinone; Pyrocatechin; Pyrocatechine; 1,2-Dihydroxybenzene; 2-Hydroxyphenol; o-Hydroquinone; Benzene, o-dihydroxy-; NCI-C55856; o-Diphenol; Katechol; Pyrokatechin; Pyrokatechol; Kachin; 2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-,(2R-trans)-; NSC 1573; 1,2-Benzenediol (pyrocatechol); o-catecol
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• Information on this page:
  • Normal melting point
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
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Normal melting point

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein

References

Go To: Top, Normal melting point, Notes

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

Bret-Dibat and Lichanot, 1989
Bret-Dibat, P.; Lichanot, A., Proprietes thermodynamiques des isomeres de position de benzenes disubstitues en phase condensee, Thermochim. Acta, 1989, 147, 2, 261, https://doi.org/10.1016/0040-6031(89)85181-0 . [all data]

Rai and Mandal, 1989
Rai, U.S.; Mandal, K.D., Chemistry of organic eutectics and 1:1 addition compound: p-phenylenediamine-catechol system, Thermochim. Acta, 1989, 138, 219. [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Krupatkin and Rozhentsova, 1971
Krupatkin, I.L.; Rozhentsova, E.P., Some properties of systems with latent liquid immiscibility, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 1700. [all data]

Philip and Smith, 1905
Philip, J.C.; Smith, S.H., Researches on the freezing points of binary mixtures of organic substances: the behavior of the dihydric phenols towards p-toluidine,alpha-naphthylamine, and picric acid, J. Chem. Soc., 1905, 87, 1735. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point

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