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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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil633.2KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus420.2KN/ADavis, Porter, et al., 1970Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap36.7 ± 0.2kcal/molCGCNichols, Kweskin, et al., 2006AC
Quantity Value Units Method Reference Comment
Δsub27.40kcal/molVHickman, Hecker, et al., 1937ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
27.46426.AStephenson and Malanowski, 1987Based on data from 411. - 447. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
34.1 ± 0.2386. - 414.MEOja, Chen, et al., 2009AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
6.81421.7DSCChen, Su, et al., 2009AC
6.00423.2DSCPeng, Jiangjun, et al., 2008Based on data from 300. - 440. K.; AC
5.045423.2DSCKaloustian, Pauli, et al., 2003AC
6.33422.5N/AIWAHASHI, MINAMI, et al., 2001AC
6.79422.3ACMiltenburg, Genderen, et al., 1998AC
6.551420.2N/ADomalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.5975304.8crystaline, IIcrystaline, IPetropavlov, Tsygankova, et al., 1988DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
2.0304.8crystaline, IIcrystaline, IPetropavlov, Tsygankova, et al., 1988DH

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:


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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Davis, Porter, et al., 1970
Davis, G.J.; Porter, R.S.; Barrall, E.M., Evaluation of Thermal Transitions in Some Cholesteryl Esters of Saturated Aliphatic Acids, Mol. Cryst. Liq. Cryst., 1970, 10, 1-2, 1, . [all data]

Nichols, Kweskin, et al., 2006
Nichols, Gary; Kweskin, Sasha; Frericks, Margaret; Reiter, Sarah; Wang, Gin; Orf, Jennifer; Carvallo, Brett; Hillesheim, Dorothea; Chickos, James, Evaluation of the Vaporization, Fusion, and Sublimation Enthalpies of the 1-Alkanols: The Vaporization Enthalpy of 1-, 6-, 7-, and 9-Heptadecanol, 1-Octadecanol, 1-Eicosanol, 1-Docosanol, 1-Hexacosanol, and Cholesterol at T = 298.15 K by Correlation Gas Chromatography, J. Chem. Eng. Data, 2006, 51, 2, 475-482, . [all data]

Hickman, Hecker, et al., 1937
Hickman, K.C.D.; Hecker, J.C.; Embree, N.D., Direct determination of low vapor pressures, Ind. Eng. Chem., 1937, 9, 264-267. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, . [all data]

Oja, Chen, et al., 2009
Oja, Vahur; Chen, Xu; Hajaligol, Mohammad R.; Chan, W. Geoffrey, Sublimation Thermodynamic Parameters for Cholesterol, Ergosterol, β-Sitosterol, and Stigmasterol, J. Chem. Eng. Data, 2009, 54, 3, 730-734, . [all data]

Chen, Su, et al., 2009
Chen, Wei; Su, Baogen; Xing, Huabin; Yang, Yiwen; Ren, Qilong, Solubilities of cholesterol and desmosterol in binary solvent mixtures of n-hexane+ethanol, Fluid Phase Equilibria, 2009, 287, 1, 1-6, . [all data]

Peng, Jiangjun, et al., 2008
Peng, L.; Jiangjun, X.; Fangquan, M.; Xi, L.; Chaocan, Z., Study on the thermodynamic properties of cholesterol, J Therm Anal Calorim, 2008, 93, 2, 485-488, . [all data]

Kaloustian, Pauli, et al., 2003
Kaloustian, J.; Pauli, A-M; Lechene de la Porte, P.; Lafont, H.; Portugal, H., Journal of Thermal Analysis and Calorimetry, 2003, 71, 2, 341-351, . [all data]

IWAHASHI, MINAMI, et al., 2001
IWAHASHI, Makio; MINAMI, Hideyuki; SUZUKI, Takeshi; KOYANAGI, Masaru; YAO, Haruhiko; EMA, Kenji; ASHIZAWA, Kazuhide, Thermodynamic Properties of Steroids: 5-cholesten-3.BETA.-ol, 5.ALPHA.-cholestan-3.BETA.-ol, and 5.BETA.-cholestan-3.ALPHA.-ol., J. Oleo Sci., 2001, 50, 9, 693-699, . [all data]

Miltenburg, Genderen, et al., 1998
Miltenburg, J.C. van; Genderen, A.C.G. van; den Berg, G.J.K. van, Design improvements in adiabatic calorimetry, Thermochimica Acta, 1998, 319, 1-2, 151-162, . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, . [all data]

Petropavlov, Tsygankova, et al., 1988
Petropavlov, N.N.; Tsygankova, I.G.; Teslenko, L.A., Microcalorimetric investigation of polymorphic transitions in organic crystals, Sov. Phys. Crystallogr., 1988, 33(6), 853-855. [all data]


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