Piperazine, 1,4-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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub26.6 ± 0.2kcal/molVPepekin, Matyushin, et al., 1974ALS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Reference Comment
27. ± 2.343.Pepekin, Matyushin, et al., 1974Based on data from 325. - 360. K. See also Pedley and Rylance, 1977.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
47.99489.2N/AOxley, Smith, et al., 2001Enthalpy of fusion is abnormally high, compound may be decomposing; AC
8.109489.6DSCZeman, 1997AC


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

Pepekin, Matyushin, et al., 1974
Pepekin, V.I.; Matyushin, Yu.N.; Lebedev, Yu.A., Thermochemistry of N-nitro- and N-nitrosoamines of the alicyclic series, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1974, 1707-1710. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]

Oxley, Smith, et al., 2001
Oxley, J.C.; Smith, J.L.; Zhang, J.; Bedford, C., A Comparison of the Thermal Decomposition of Nitramines and Difluoramines, J. Phys. Chem. A, 2001, 105, 3, 579-590, https://doi.org/10.1021/jp002516a . [all data]

Zeman, 1997
Zeman, Svatopluk, Some predictions in the field of the physical thermal stability of nitramines, Thermochimica Acta, 1997, 302, 1-2, 11-16, https://doi.org/10.1016/S0040-6031(96)03101-2 . [all data]


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