1,2,3-Benzenetriol

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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:
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.

Quantity Value Units Method Reference Comment
Tboil582.2KN/AWeast and Grasselli, 1989BS
Tboil582.15KN/APerkin, 1896Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus407.KN/ARai and George, 1992Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC
Tfus398.65KN/APerkin, 1896Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δsub24.9kcal/molGSVerevkin and Schick, 2004Based on data from 326. - 370. K.; AC
Δsub27.9 ± 0.1kcal/molCRibeiro Da Silva, Ribeiro Da Silva, et al., 1986ALS
Δsub27.94kcal/molN/ARibeiro Da Silva, Ribeiro Da Silva, et al., 1986DRB
Δsub27.9 ± 0.1kcal/molCRibeiro Da Silva, Ribeiro Da Silva, et al., 1986AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
444.20.016Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
16.6440.AStephenson and Malanowski, 1987Based on data from 425. - 582. K. See also von Terres, Gebert, et al., 1955.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
450.5 - 582.6.196443454.794-23.348von Terres, Gebert, et al., 1955, 2Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Reference Comment
21.3387.Hirsbrunner, 1934Based on data from 377. - 398. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
6.19405.6Verevkin and Schick, 2004AC
4.434407.2Rai and George, 1992, 2AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

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

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]

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]

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

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