1,3-Phenylenediamine

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Condensed phase thermochemistry 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid-7.9kJ/molCcbKunyavskaya, Karyakin, et al., 1973see Karyakin, Rabinovich, et al., 1978 and Rabinovich, Karyakin, et al., 1984; ALS
Quantity Value Units Method Reference Comment
Δcsolid-3497. ± 5.4kJ/molCcbKunyavskaya, Karyakin, et al., 1973see Karyakin, Rabinovich, et al., 1978 and Rabinovich, Karyakin, et al., 1984; ALS
Quantity Value Units Method Reference Comment
solid,1 bar154.5J/mol*KN/ARabinovich, Karyakin, et al., 1984, 2DH
solid,1 bar149.49J/mol*KN/AKunyavskaya, Karyakin, et al., 1973DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
153.7298.Lesbats and Lichanot, 1987T = 220 to 400 K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
159.6298.15Rabinovich, Karyakin, et al., 1984, 2T = 13 to 500 K.; DH
161.08300.Kunyavskaya, Karyakin, et al., 1973T = 20 to 300 K.; DH

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
DH - Eugene S. Domalski and Elizabeth D. Hearing
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil556.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus337.KN/ALesbats and Lichanot, 1987DH
Tfus335.KN/ABret-Dibat and Lichanot, 1989Crystal phase 1 phase; Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Ttriple339.1KN/ARabinovich, Nistratov, et al., 1984Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δsub90.4 ± 0.4kJ/molCSabbah and Perez, 1997AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
63.7387.AStephenson and Malanowski, 1987Based on data from 372. - 559. K. See also Stull, 1947.; 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
373.0 - 558.75.117342635.233-43.185Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
15.570339.1Rabinovich, Karyakin, et al., 1984, 2DH
15.4335.5Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
45.92339.1Rabinovich, Karyakin, et al., 1984, 2DH

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, Condensed phase thermochemistry data, Phase change data, Notes

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

Kunyavskaya, Karyakin, et al., 1973
Kunyavskaya, S.G.; Karyakin, N.V.; Krylova, G.P.; Chernova, V.I.; Rabinovich, I.B., Heat capacity and thermodynamic properties of iosmeric phenylenediamines, Tr. Khim. Khim. Tekhnol., 1973, 58-59. [all data]

Karyakin, Rabinovich, et al., 1978
Karyakin, N.V.; Rabinovich, I.B.; Sokolov, L.B., Thermodynamics of the synthesis of isomeric poly(phenylenephthalamides), Vysokomol. Soedin. Ser. B, 1978, 20, 662-666. [all data]

Rabinovich, Karyakin, et al., 1984
Rabinovich, I.B.; Karyakin, N.V.; Dzharimova, E.S.; Siling, S.A.; Ponomarev, I.I.; Vinogradova, S.V., Thermodynamics of condensation of phthalonitrile with m-phenylenediamine, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1984, 716-723. [all data]

Rabinovich, Karyakin, et al., 1984, 2
Rabinovich, I.B.; Karyakin, N.V.; Dzharimova, E.S.; Siling, S.A.; Ponomarev, I.I.; Vinogradova, S.V., Thermodynamics of the condensation of o-phthalic acid dinitrile with m-phenylenediamine, Izv. Akad. Nauk SSSR, Ser. Khim., 1984, (4), 779-787. [all data]

Lesbats and Lichanot, 1987
Lesbats, C.; Lichanot, A., Capacites calorifiques de durcisseurs amines et resines epoxydes, Thermochim. Acta, 1987, 109, 317-329. [all data]

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]

Bret-Dibat and Lichanot, 1989
Bret-Dibat, P.; Lichanot, A., Proprietes thermodynamiques des isomeres de position de benzenes disubstitues en phase condensee, Thermochim. Acta, 1989, 147, 2, 261, https://doi.org/10.1016/0040-6031(89)85181-0 . [all data]

Rabinovich, Nistratov, et al., 1984
Rabinovich, I.B.; Nistratov, V.P.; Babinkov, A.G.; Siling, S.A.; Ponomarev, I.I.; Vinogradova, S.V., Thermodynamics of the condensation of o-phthalic acid dinitrile with m-phenylenediamine, Izv. Akad. Nauk SSSR, 1984, 1984, 779. [all data]

Sabbah and Perez, 1997
Sabbah, Raphaël; Perez, Laurence, Energétique des liaisons inter- et intramoléculaires dans les trois isomères du benzènediamine, Can. J. Chem., 1997, 75, 4, 357-364, https://doi.org/10.1139/v97-041 . [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]

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]


Notes

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