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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:
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

Quantity Value Units Method Reference Comment
Tfus355.1KN/AHu, Li, et al., 1990Uncertainty assigned by TRC = 0.1 K; TRC
Tfus352.KN/AHwang, Tamura, et al., 1990Uncertainty assigned by TRC = 0.1 K; TRC
Tfus354.KN/AKotula and Rabczuk, 1985Uncertainty assigned by TRC = 2. K; TRC
Tfus354.3KN/ALenchitz and Velicky, 1970Uncertainty assigned by TRC = 0.5 K; TRC
Tfus353.42KN/ATaylor and Rinkenbach, 1924Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Deltavap87.0 ± 1.9kJ/molMECundall, Frank Palmer, et al., 1978AC
Quantity Value Units Method Reference Comment
Deltasub113.2 ± 1.5kJ/molMEKudchadker, Kudchadker, et al., 1979Based on data from 301. - 349. K.; AC
Deltasub105. ± 2.kJ/molVLenchitz, Velicky, et al., 1971ALS
Deltasub104.6 ± 1.7kJ/molMELenchitz, Velicky, et al., 1971AC
Deltasub118.kJ/molVEdwards, 1950ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
93.7368.AStephenson and Malanowski, 1987Based on data from 353. - 523. 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
503. - 523.5.37283209.208-24.437Maksimov, 1968Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
112.4308.AStephenson and Malanowski, 1987Based on data from 293. - 353. K.; AC
99. ± 2.297. - 330.GSPella, 1976See also Pella, 1977.; AC
103.3 ± 2.5338.N/ALenchitz and Velicky, 1970Based on data from 327. - 349. K.; AC
118.4 ± 4.2323. - 353.MEEdwards, 1950See also Jones, 1960 and Cox and Pilcher, 1970.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
23.43352.2Acree, 1993AC

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.

Hu, Li, et al., 1990
Hu, R.; Li, J.; Liang, Y.; Wu, S.; Sun, L.; Wang, Y., Thermal behavior of 2,2,2-trinitroethyl-4,4,4-trinitrobutyrate, J. Therm. Anal., 1990, 36, 1155-60. [all data]

Hwang, Tamura, et al., 1990
Hwang, D.-R.; Tamura, M.; Yoshida, T.; Tanaka, N.; Hosoya, F., Estimation of «DELTA»H°f of nitro derivatives of benzene and toluene using AM1 and DSC, J. Energ. Mater., 1990, 8, 85-98. [all data]

Kotula and Rabczuk, 1985
Kotula, I.; Rabczuk, A., DTA Investigation of the Solid-Liquid Equilibrium for Mehtyl Derivatives of Naphthalene with Some Nitroaromatics, J. Therm. Anal., 1985, 30, 195. [all data]

Lenchitz and Velicky, 1970
Lenchitz, Charles; Velicky, Rodolf W., Vapor pressure and heat of sublimation of three nitrotoluenes, J. Chem. Eng. Data, 1970, 15, 3, 401-403, . [all data]

Taylor and Rinkenbach, 1924
Taylor, C.A.; Rinkenbach, W.H., The specific heats of trinitrotoluene, tetryl, picric acid, and their molecular complexes, J. Am. Chem. Soc., 1924, 46, 1504-10. [all data]

Cundall, Frank Palmer, et al., 1978
Cundall, Robert B.; Frank Palmer, T.; Wood, Colin E.C., Vapour pressure measurements on some organic high explosives, J. Chem. Soc., Faraday Trans. 1, 1978, 74, 0, 1339, . [all data]

Kudchadker, Kudchadker, et al., 1979
Kudchadker, Shanti A.; Kudchadker, Arvind P.; Zwolinski, Bruno J., Chemical thermodynamic properties of anthracene and phenanthrene, The Journal of Chemical Thermodynamics, 1979, 11, 11, 1051-1059, . [all data]

Lenchitz, Velicky, et al., 1971
Lenchitz, C.; Velicky, R.W.; Silvestro, G.; Schlosberg, L.P., Thermodynamic properties of several nitrotoluenes, J. Chem. Thermodyn., 1971, 3, 689-692. [all data]

Edwards, 1950
Edwards, G., The vapour pressure of 2 : 4 : 6-trinitrotoluene, Trans. Faraday Soc., 1950, 46, 423. [all data]

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

Maksimov, 1968
Maksimov, Yu, Steam Pressures of Nitroaromatic Compouds at Different Temperatures, Zh. Fiz. Khim., 1968, 42, 2921-2925. [all data]

Pella, 1976
Pella, Peter A., Generator for producing trace vapor concentrations of 2,4,6-trinitrotoluene, 2,4-dinitrotoluene, and ethylene glycol dinitrate for calibrating explosives vapor detectors, Anal. Chem., 1976, 48, 11, 1632-1637, . [all data]

Pella, 1977
Pella, Peter A., Measurement of the vapor pressures of tnt, 2,4-dnt, 2,6-dnt, and egdn, The Journal of Chemical Thermodynamics, 1977, 9, 4, 301-305, . [all data]

Jones, 1960
Jones, A.H., Sublimation Pressure Data for Organic Compounds., J. Chem. Eng. Data, 1960, 5, 2, 196-200, . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Acree, 1993
Acree, William E., Thermodynamic properties of organic compounds, Thermochimica Acta, 1993, 219, 97-104, . [all data]


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