Thiourea, N,N'-diethyl-

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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
Tfus350.6KN/ATerenzi and Piacente, 1994Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Deltasub122. ± 3.kJ/molBDella Gatta, Józwiak, et al., 2000AC
Deltasub120.2 ± 3.0kJ/molBTerenzi and Piacente, 1994, 2AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
101. ± 3.0368.ME,TETerenzi and Piacente, 1994, 2Based on data from 351. - 384. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
17.14350.5DSCDella Gatta, Józwiak, et al., 2000AC

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:


References

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

Terenzi and Piacente, 1994
Terenzi, L.; Piacente, V., vapour pressures and vaporization enthalpies of thiourea and a homologous series of its 1,3-dialkyl derivatives, Thermochim. Acta, 1994, 235, 61-6. [all data]

Della Gatta, Józwiak, et al., 2000
Della Gatta, Giuseppe; Józwiak, Malgorzata; Brunetti, Bruno; Abate, Lorenzo, Enthalpies and entropies of fusion and of sublimation at the temperature 298.15 K of thiourea and sevenN-alkylthioureas, The Journal of Chemical Thermodynamics, 2000, 32, 8, 979-997, https://doi.org/10.1006/jcht.2000.0662 . [all data]

Terenzi and Piacente, 1994, 2
Terenzi, L.; Piacente, V., Vapour pressures and vaporization enthalpies of thiourea and a homologous series of its 1,3-dialkyl derivatives, Thermochimica Acta, 1994, 235, 1, 61-66, https://doi.org/10.1016/0040-6031(94)80083-9 . [all data]


Notes

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