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Critical pressure

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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, Chris Muzny director

Pc (bar) Reference Comment
40.8 ± 0.3Daubert, 1996 
40.71Teja and Rosenthal, 1990Uncertainty assigned by TRC = 0.20 bar; TRC
40.75Hugill and McGlashan, 1978Uncertainty assigned by TRC = 0.02 bar; Visual, observed with periscope in heated metal block, PRT,; TRC
40.97Pak and Kay, 1972Uncertainty assigned by TRC = 0.1034 bar; corrected for vapor pressure of Hg; TRC
40.36Young, 1972Uncertainty assigned by TRC = 0.60 bar; TRC
41.1076Glaser and Ruland, 1957Uncertainty assigned by TRC = 1.0132 bar; TRC
40.367Young, 1910Uncertainty assigned by TRC = 0.3999 bar; TRC
40.333Young and Fortey, 1899Uncertainty assigned by TRC = 0.1067 bar; TRC

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, Critical pressure, Notes

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

Daubert, 1996
Daubert, T.E., Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes, J. Chem. Eng. Data, 1996, 41, 365-372. [all data]

Teja and Rosenthal, 1990
Teja, A.S.; Rosenthal, D.J., The Critical Pressures and Temperatures of Twelve Substances Using A Low Residence Time Flow Apparatus, AIChE Symp. Ser., 1990, 86, 279, 133-7. [all data]

Hugill and McGlashan, 1978
Hugill, J.A.; McGlashan, M.L., The vapour pressure from 451 K to the critical temperature, and the critical temperature and critical pressure, of cyclohexane, J. Chem. Thermodyn., 1978, 10, 95. [all data]

Pak and Kay, 1972
Pak, S.C.; Kay, W.B., Gas-Liquid Critical Temperatures of Mixtures. Benzene + n-Alkanes and Hexafluorobenzene + n-Alkanes, Ind. Eng. Chem. Fundam., 1972, 11, 255. [all data]

Young, 1972
Young, C.L., Gas-liquid critical properties of the cycloalkanes and their mixtures, Aust. J. Chem., 1972, 25, 1625-30. [all data]

Glaser and Ruland, 1957
Glaser, F.; Ruland, H., Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen, Chem. Ing. Techn., 1957, 29, 772. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Young and Fortey, 1899
Young, S.; Fortey, E.C., The Vapour Pressures, Specific Volumes and Critical Constants of Hexamethylene., J. Chem. Soc., Trans., 1899, 75, 873. [all data]


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