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Benzene, 2-methyl-1,3-dinitro-

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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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus329.60KN/AFinch and Payne, 1990Metastable crystal phase; Uncertainty assigned by TRC = 0.2 K; The melting point of the stable phase was observed after melting the metastable phase and cooling slowly; TRC
Tfus339.KN/AFinch and Payne, 1990Uncertainty assigned by TRC = 3. K; The melting point of the stable phase was observed after melting the metastable phase and cooling slowly; TRC
Tfus339.19KN/AFinch and Payne, 1990Uncertainty assigned by TRC = 0.1 K; TRC
Tfus327.KN/AHwang, Tamura, et al., 1990Uncertainty assigned by TRC = 0.1 K; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
77.8345.AStephenson and Malanowski, 1987Based on data from 330. - 533. K.; AC
56.9438.AStephenson and Malanowski, 1987Based on data from 423. - 553. K. See also Maksimov, 1968.; AC
68.7344. - 427.N/APella, 1977See also Molard, 1958.; 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
423. - 533.1.80416551.608-269.179Maksimov, 1968, 2Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
99.6 ± 2.3275. - 325.MEFreedman, Kebabian, et al., 2008AC
98.3 ± 0.8300.GSPella, 1976Based on data from 277. - 323. K. See also Pella, 1977.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
19.280340.Finch and Payne, 1990c,form A/liq.; DH
16.070340.Finch and Payne, 1990c,form B/liq.; DH
23.85327.5Acree, 1993AC

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.

Finch and Payne, 1990
Finch, A.; Payne, J., Thermochemical study of 1,6-dinitrotoluene, Thermochim. Acta, 1990, 164, 55-63. [all data]

Hwang, Tamura, et al., 1990
Hwang, D.-R.; Tamura, M.; Yoshida, T.; Tanaka, N.; Hosoya, F., Estimation of «DELTA»H°f of nitro derivatives of benzene and toluene using AM1 and DSC, J. Energ. Mater., 1990, 8, 85-98. [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]

Maksimov, 1968
Maksimov, Y.Y., Russ. J. Phys. Chem., 1968, 42, 11, 1550. [all data]

Pella, 1977
Pella, Peter A., Measurement of the vapor pressures of tnt, 2,4-dnt, 2,6-dnt, and egdn, The Journal of Chemical Thermodynamics, 1977, 9, 4, 301-305, https://doi.org/10.1016/0021-9614(77)90049-0 . [all data]

Molard, 1958
Molard, L., Mem. Poudres, 1958, 40, 13. [all data]

Maksimov, 1968, 2
Maksimov, Yu, Steam Pressures of Nitroaromatic Compouds at Different Temperatures, Zh. Fiz. Khim., 1968, 42, 2921-2925. [all data]

Freedman, Kebabian, et al., 2008
Freedman, Andrew; Kebabian, Paul L.; Li, Ziman; Robinson, Wade A.; Wormhoudt, Joda C., Apparatus for determination of vapor pressures at ambient temperatures employing a Knudsen effusion cell and quartz crystal microbalance, Meas. Sci. Technol., 2008, 19, 12, 125102, https://doi.org/10.1088/0957-0233/19/12/125102 . [all data]

Pella, 1976
Pella, Peter A., Generator for producing trace vapor concentrations of 2,4,6-trinitrotoluene, 2,4-dinitrotoluene, and ethylene glycol dinitrate for calibrating explosives vapor detectors, Anal. Chem., 1976, 48, 11, 1632-1637, https://doi.org/10.1021/ac50005a054 . [all data]

Acree, 1993
Acree, William E., Thermodynamic properties of organic compounds, Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T . [all data]


Notes

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