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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
Tboil560.7KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus400.KN/ASorum and Durand, 1952Uncertainty assigned by TRC = 1.5 K; TRC
Tfus398.15KN/ACowley and Partington, 1936Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Deltasub83.6 ± 1.5kJ/molN/AMeng-Yan and Pilcher, 1990AC
Deltasub83.6 ± 1.5kJ/molCYan and Pilcher, 1990Author was aware that data differs from previously reported values; Heat of combustion NR; ALS
Deltasub98.1 ± 4.5kJ/molVSteele, Chirico, et al., 1989Hfusion=12.32 kJ/mol; ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
66.9431.AStephenson and Malanowski, 1987Based on data from 416. - 561. K.; AC
73.5403.N/AStull, 1947Based on data from 388. - 560. 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
388. - 560.74.983822365.906-86.489Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
83.1 ± 1.5329.MEMeng-Yan and Pilcher, 1990Based on data from 317. - 340. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
17.000400.Steele, Chirico, et al., 1989DH
17.0400.Domalski and Hearing, 1996AC

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]

Sorum and Durand, 1952
Sorum, C.H.; Durand, E.A., The Melting of Binary Eutectics, J. Am. Chem. Soc., 1952, 74, 1071. [all data]

Cowley and Partington, 1936
Cowley, E.G.; Partington, J.R., Studies in dielectric polarisation. Part XV. The dipole moments of fivemembered nitrogen ring compounds: indole,skatole,carbazole,isatin, phthalimide, and succinimide., J. Chem. Soc., 1936, 1936, 47. [all data]

Meng-Yan and Pilcher, 1990
Meng-Yan, Yang; Pilcher, G., Enthalpies of combustion of succinic anhydride, glutaric anhydride, and glutarimide, The Journal of Chemical Thermodynamics, 1990, 22, 9, 893-898, https://doi.org/10.1016/0021-9614(90)90177-R . [all data]

Yan and Pilcher, 1990
Yan, Y.M.; Pilcher, G., Enthalpies of combustion of succinic anhydride, glutaric anhydride, and glutarimide, J. Chem. Thermodyn., 1990, 22, 893-898. [all data]

Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K., Determination of some pure compound ideal-gas enthalpies of formation, AIChE Symp. Ser., 1989, 85, 140-162. [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]

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]

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, https://doi.org/10.1063/1.555985 . [all data]


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