Hydrazine, 1,2-diphenyl-

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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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tfus401.9KN/ACole and Gilbert, 1951Uncertainty assigned by TRC = 0.5 K
Tfus407.KN/ATammann, 1913Uncertainty assigned by TRC = 1. K

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Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

Hydrazine, 1,2-diphenyl- = Benzidine

By formula: C12H12N2 = C12H12N2

Quantity Value Units Method Reference Comment
Δr-102.8 ± 1.0kJ/molCmPongratz, Bohmert-Sub, et al., 1944solid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -106.4 ± 0.2 kJ/mol; Heat of transposition

References

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

Cole and Gilbert, 1951
Cole, L.G.; Gilbert, E.C., The Heats of Combustion of Some Nitrogen Compounds and the Apparent Energy of the N-N Bond, J. Am. Chem. Soc., 1951, 73, 5423. [all data]

Tammann, 1913
Tammann, G., Nachr. Ges. Wiss. Goettingen, Math.-Phys. Kl., 1913, 1913, 335. [all data]

Pongratz, Bohmert-Sub, et al., 1944
Pongratz, A.; Bohmert-Sub, S.; Scholtis, K., Zur thermochemie der benzidin-umlagerung, Ber., 1944, 77, 651-735. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]


Notes

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