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Diphenylamine

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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, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil575.2KN/AWeast and Grasselli, 1989BS
Tboil582.15KN/AStillmann and Swain, 1899Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Tfus326. ± 2.KAVGN/AAverage of 21 values; Individual data points
Quantity Value Units Method Reference Comment
Tc931.15KN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Pc84.0997barN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 4.053 bar; TRC
Quantity Value Units Method Reference Comment
Deltavap55.23kJ/molCGlaser and Ruland, 1957ALS
Deltavap69.9kJ/molVVriens and Hill, 1952ALS
Deltavap70.0kJ/molN/AVriens and Hill, 1952DRB
Quantity Value Units Method Reference Comment
Deltasub110.kJ/molGSSurov, Terekhova, et al., 2009Based on data from 303. - 319. K.; AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
64.1396.AStephenson and Malanowski, 1987Based on data from 381. - 575. K. See also Stull, 1947.; AC
54.2588.AStephenson and Malanowski, 1987Based on data from 573. - 673. 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
381.5 - 575.5.098112729.385-39.207Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
110.0 ± 1.0311.GSSurov, Terekhova, et al., 2009Based on data from 303. - 319. K.; AC
96.7 ± 2.5310.QFAihara, 1953Based on data from 298. - 323. K. See also Cox and Pilcher, 1970.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
19.9326.1DSCSurov, Terekhova, et al., 2009AC
17.86326.2N/AAcree, 1991AC

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

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.

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Stillmann and Swain, 1899
Stillmann, J.M.; Swain, R.E., The melting heat of naphthylamine and diphenylamine in relation to their lowering of molecular freezing point, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1899, 29, 705. [all data]

Glaser and Ruland, 1957
Glaser, F.; Ruland, H., Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen, Chem. Ing. Techn., 1957, 29, 772. [all data]

Vriens and Hill, 1952
Vriens, G.N.; Hill, A.G., Equilibria of several reactions of aromatic amines, Ind. Eng. Chem., 1952, 44, 2732-27. [all data]

Surov, Terekhova, et al., 2009
Surov, Artem O.; Terekhova, Irina V.; Bauer-Brandl, Annette; Perlovich, German L., Thermodynamic and Structural Aspects of Some Fenamate Molecular Crystals, Crystal Growth & Design, 2009, 9, 7, 3265-3272, https://doi.org/10.1021/cg900002q . [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]

Aihara, 1953
Aihara, A., J. Chem. Soc. Jpn. Pure Chem. Sect., 1953, 74, 437. [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, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]


Notes

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