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p-Aminotoluene

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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, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil474. ± 1.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus317. ± 2.KAVGN/AAverage of 25 out of 26 values; Individual data points
Quantity Value Units Method Reference Comment
Tc667.15KN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc23.8114barN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 2.0265 bar; TRC
Quantity Value Units Method Reference Comment
Deltavap57.8 ± 0.3kJ/molGSEmel'yanenk and Verevkin, 2005Based on data from 319. - 345. K.; AC
Deltavap43.18kJ/molCGlaser and Ruland, 1957ALS
Deltavap62.1kJ/molN/AGlaser and Rüland, 1957Based on data from 474. - 641. K. See also Emel'yanenk and Verevkin, 2005.; AC
Deltavap55.9kJ/molEBBerliner and May, 1927Based on data from 313. - 473. K. See also Emel'yanenk and Verevkin, 2005.; AC
Quantity Value Units Method Reference Comment
Deltasub76.2 ± 0.3kJ/molGSEmel'yanenk and Verevkin, 2005Based on data from 284. - 313. K.; AC
Deltasub78.8 ± 0.5kJ/molN/AChao, Gadalla, et al., 1990AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
51.1408.AStephenson and Malanowski, 1987Based on data from 393. - 474. K.; AC
54.9330.N/AStull, 1947Based on data from 315. - 473. 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
315. - 473.64.718841961.716-57.00Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
17.300316.55Meva'a and Lichanot, 1990DH
17.19317.Censký, Lipovská, et al., 2001AC
17.89316.5Acree, 1991AC
17.3316.6Meva'a and Lichanot, 1990AC
18.9316.9Rastogi, Nigam, et al., 1963AC
17.28315.6Eykman, 1889AC
17.280315.6Eykman, 1889, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
55.316.55Meva'a and Lichanot, 1990DH

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.

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]

Emel'yanenk and Verevkin, 2005
Emel'yanenk, Vladimir N.; Verevkin, Sergey P., Enthalpies of Formation and Substituent Effects of o rtho -, m eta- , and p ara -Aminotoluenes from Thermochemical Measurements and from Ab Initio Calculations, J. Phys. Chem. A, 2005, 109, 17, 3960-3966, https://doi.org/10.1021/jp045450i . [all data]

Glaser and Rüland, 1957
Glaser, Fritz; Rüland, Heinz, Untersuchungen über Dampfdruckkurven und kritische Daten einiger technisch wichtiger organischer Substanzen, Chemie Ing. Techn., 1957, 29, 12, 772-775, https://doi.org/10.1002/cite.330291204 . [all data]

Berliner and May, 1927
Berliner, J.F.T.; May, Orville E., STUDIES IN VAPOR PRESSURE. III. THE TOLUIDINES, J. Am. Chem. Soc., 1927, 49, 4, 1007-1011, https://doi.org/10.1021/ja01403a017 . [all data]

Chao, Gadalla, et al., 1990
Chao, J.; Gadalla, N.A.M.; Gammon, B.E.; Marsh, K.N.; Rodgers, A.S.; Somayajulu, G.R.; Wilhoit, R.C., Thermodynamic and Thermophysical Properties of Organic Nitrogen Compounds. Part I. Methanamine, Ethanamine, 1- and 2-Propanamine, Benzenamine, 2-, 3-, and 4-Methylbenzenamine, J. Phys. Chem. Ref. Data, 1990, 19, 6, 1547, https://doi.org/10.1063/1.555849 . [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]

Meva'a and Lichanot, 1990
Meva'a, L.M.; Lichanot, A., Proprietes thermodynamiques en phase condensee des ortho, meta et para fluorotoluene, cresol et toluidine, Thermochim. Acta, 1990, 158, 335-345. [all data]

Censký, Lipovská, et al., 2001
Censký, M.; Lipovská, M.; Schmidt, H.-G.; Ruzicka, V.; Wolf, G., Journal of Thermal Analysis and Calorimetry, 2001, 63, 3, 879-899, https://doi.org/10.1023/A:1010125128496 . [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]

Rastogi, Nigam, et al., 1963
Rastogi, R.P.; Nigam, R.K.; Sharma, R.N.; Girdhar, H.L., Entropy of Fusion of Molecular Complexes, J. Chem. Phys., 1963, 39, 11, 3042, https://doi.org/10.1063/1.1734140 . [all data]

Eykman, 1889
Eykman, J.F., Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1889, 4, 497. [all data]

Eykman, 1889, 2
Eykman, J.F., Zur kryoskopischen Molekulargewichtsbestimmung, Z. Physik. Chem., 1889, 4, 497-519. [all data]


Notes

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