Hydrazine, 1,2-dimethyl-

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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:
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
Δcliquid-1983.0 ± 4.2kJ/molCcbAston, Rock, et al., 1952Reanalyzed by Cox and Pilcher, 1970, Original value = -1980.93 kJ/mol; ALS
Quantity Value Units Method Reference Comment
liquid199.15J/mol*KN/AAston, Janz, et al., 1951DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
171.04298.15Aston, Janz, et al., 1951T = 15 to 298 K.; DH

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.

Aston, Rock, et al., 1952
Aston, J.G.; Rock, E.J.; Isserow, S., The heats of combustion of the methyl substituted hydrazines and some observations on the burning of volatile liquids, J. Am. Chem. Soc., 1952, 74, 2484-24. [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]

Aston, Janz, et al., 1951
Aston, J.G.; Janz, G.J.; Russell, K.E., The heat capacity, heats of fusion and vaporization, vapor pressures and entropy of symmetrical dimethylhydrazine, J. Am. Chem. Soc., 1951, 73, 1943-1945. [all data]


Notes

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