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Hydrazine, phenyl-

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil512.7KN/AAldrich Chemical Company Inc., 1990BS
Tboil516.2KN/AWeast and Grasselli, 1989BS
Tboil516.65KN/APerkin, 1896Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Tfus292.8KN/ADreisbach, 1955Uncertainty assigned by TRC = 0.02 K; TRC
Tfus283.15KN/ABastic and Pushin, 1947Uncertainty assigned by TRC = 1.5 K; TRC
Tfus295.KN/ALouguinine and Dupont, 1911Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap14.8 ± 0.2kcal/molCLebedeva and Katin, 1972ALS
Deltavap14.8kcal/molN/ALebedeva and Katin, 1972DRB
Deltavap14.69kcal/molVWilliams and Gilbert, 1942ALS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
13.7428.AStephenson and Malanowski, 1987Based on data from 413. - 518. K. See also Dykyj, 1972.; AC
14.1360.N/AStull, 1947Based on data from 345. - 517. K.; AC
13.7393.TWilliams and Gilbert, 1942, 2Based on data from 378. - 465. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
345.0 - 516.75.179802480.263-37.496Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
3.927292.8Domalski and Hearing, 1996AC

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:


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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

Perkin, 1896
Perkin, W.H., LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds, J. Chem. Soc., 1896, 69, 1025-1257. [all data]

Dreisbach, 1955
Dreisbach, R.R., Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [all data]

Bastic and Pushin, 1947
Bastic, B.L.; Pushin, N.A., Melting diagrams of mixtures of formic acid, Glas. Hem. Drus. Beograd, 1947, 128, 109. [all data]

Louguinine and Dupont, 1911
Louguinine, W.; Dupont, G., The heat of fusion of substances which melt at ordinary temperatures., Bull. Soc. Chim. Fr., 1911, 9, 219-224. [all data]

Lebedeva and Katin, 1972
Lebedeva, N.D.; Katin, Yu.A., Heats of combustion of certain monosubstituted benzenes, Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 1088. [all data]

Williams and Gilbert, 1942
Williams, G.E.; Gilbert, E.C., The vapor pressure of phenylhydrazine as a function of the temperature, J. Am. Chem. Soc., 1942, 64, 2776-27. [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]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [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]

Williams and Gilbert, 1942, 2
Williams, Glenn E.; Gilbert, E.C., The Vapor Pressure of Phenylhydrazine as a Function of the Temperature 1, J. Am. Chem. Soc., 1942, 64, 12, 2776-2777, https://doi.org/10.1021/ja01264a018 . [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]


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