Phenol, 2-(1,1-dimethylethyl)-4-methyl-

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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

Quantity Value Units Method Reference Comment
Tboil510.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus325.16KN/AWitschonke, 1954Uncertainty assigned by TRC = 0.3 K; TRC
Tfus325.45KN/AWitschonke, 1954Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap65.7 ± 0.3kJ/molGSVerevkin, 1999Based on data from 327. - 358. K.; AC
Quantity Value Units Method Reference Comment
Δsub82.9 ± 0.5kJ/molGSVerevkin, 1999Based on data from 288. - 318. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
63.0 ± 0.3343.GSVerevkin, 1999Based on data from 327. - 358. K.; AC
58.9400.AStephenson and Malanowski, 1987Based on data from 385. - 517. K.; AC
57.7348.N/AStage, Müller, et al., 1953Based on data from 343. - 507. K.; AC
55.7373.N/AStage, Müller, et al., 1953Based on data from 343. - 507. K.; AC
52.6423.N/AStage, Müller, et al., 1953Based on data from 343. - 507. K.; AC
48.5473.N/AStage, Müller, et al., 1953Based on data from 343. - 507. K.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
343. - 505.85.543892635.051-30.066Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
82.6 ± 0.5303.GSVerevkin, 1999Based on data from 288. - 318. K.; AC
77.4284.AStephenson and Malanowski, 1987Based on data from 274. - 294. K. See also Aihara, 1960.; AC

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]

Witschonke, 1954
Witschonke, C.R., Freezing point and purity data for some organic compounds, Anal. Chem., 1954, 26, 562-4. [all data]

Verevkin, 1999
Verevkin, S.P., Thermochemistry of phenols: quantification of theortho-,para-, andmeta-interactions in tert-alkyl substituted phenols, The Journal of Chemical Thermodynamics, 1999, 31, 5, 559-585, https://doi.org/10.1006/jcht.1998.0459 . [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]

Stage, Müller, et al., 1953
Stage, H.; Müller, E.; Faldix, P., Erdol u Kohle, 1953, 6, 375. [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Aihara, 1960
Aihara, Ariyuki, Estimation of the Energy of Hydrogen Bonds Formed in Crystals. II. Phenols, Bull. Chem. Soc. Jpn., 1960, 33, 2, 194-200, https://doi.org/10.1246/bcsj.33.194 . [all data]


Notes

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