2,4(1H,3H)-Pyrimidinedione, 1,3,5-trimethyl-

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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

Quantity Value Units Method Reference Comment
Tfus426.5KN/AZielenkiewicz, Zielenkiewicz, et al., 1984Uncertainty assigned by TRC = 0.5 K; TRC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
103.5 ± 1.5326.MEKami nski and Zielenkiewicz, 1996Based on data from 321. - 331. K.; AC
109.2 ± 2.1338.QRTeplitsky, Yanson, et al., 1980Based on data from 313. - 363. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
16.1428.7Kami nski and Zielenkiewicz, 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:


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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Zielenkiewicz, Zielenkiewicz, et al., 1984
Zielenkiewicz, A.; Zielenkiewicz, W.; Malanowski, S., Thermodynamic Excess Functions of Dilute Aqueous Solutions of Alkylated Pyrimidines and Aminopurines and Caffeine, Thermochim. Acta, 1984, 74, 95. [all data]

Kami nski and Zielenkiewicz, 1996
Kami nski, Miron; Zielenkiewicz, Wojciech, Vapour pressures and molar enthalpies of sublimation for 5-alkyl derivatives of 1,3-dimethyluracil, The Journal of Chemical Thermodynamics, 1996, 28, 2, 153-158, https://doi.org/10.1006/jcht.1996.0013 . [all data]

Teplitsky, Yanson, et al., 1980
Teplitsky, A.B.; Yanson, I.K.; Glukhova, O.T.; Zielenkiwicz, A.; Zielenkiewicz, W.; Wierzchowski, K.L., Thermochemistry of aqueous solutions of alkylated nucleic acid bases, Biophysical Chemistry, 1980, 11, 1, 17-21, https://doi.org/10.1016/0301-4622(80)85003-4 . [all data]


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