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Picric acid

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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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus395. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltasub25.12 ± 0.38kcal/molMECundall, Frank Palmer, et al., 1978Based on data from 314. - 406. K.; AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
25.43483.AStephenson and Malanowski, 1987The value of 106.4 kJ/mole from Stephenson and Malanowski, 1987 is likely an enthalpy of sublimation; AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
4.0870394.1Farrell, Shahidi, et al., 1979DH
4.09394.1Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
10.4394.1Farrell, Shahidi, et al., 1979DH

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.

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, https://doi.org/10.1039/f19787401339 . [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]

Farrell, Shahidi, et al., 1979
Farrell, P.G.; Shahidi, F.; Casellato, F.; Vecchi, C.; Girelli, A., DSC studies of aromatic hydrocarbon picrates, Thermochim. Acta, 1979, 33, 275-280. [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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