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Pentane, 2,2,4-trimethyl-

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Critical temperature

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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

Tc (K) Reference Comment
543.8 ± 0.3Daubert, 1996 
543.9Majer and Svoboda, 1985 
543.89McMicking and Kay, 1965Uncertainty assigned by TRC = 0.4 K; TRC
543.61Ambrose, Cox, et al., 1960Uncertainty assigned by TRC = 0.2 K; Visual, PRT, IPTS-48; TRC
543.82Kay and Warzel, 1951Uncertainty assigned by TRC = 0.1 K; TRC
544.3Beattie and Edwards, 1948Uncertainty assigned by TRC = 0.2 K; from observed isotherms in critical region; 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 temperature, 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]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

McMicking and Kay, 1965
McMicking, J.H.; Kay, W.B., Vapor Pressures and Saturated Liquid and Vapor Densities of The Isomeric Heptanes and Isomeric Octanes, Proc., Am. Pet. Inst., Sect. 3, 1965, 45, 75-90. [all data]

Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R., The critical temperatures of forty organic compounds, Trans. Faraday Soc., 1960, 56, 1452. [all data]

Kay and Warzel, 1951
Kay, W.B.; Warzel, F.M., 2,2,4-Trimethylpentane (Isooctane), Vapor Pressure, Critical Constants and Saturated Vapor and Liquid Densities, Ind. Eng. Chem., 1951, 43, 1150-2. [all data]

Beattie and Edwards, 1948
Beattie, J.A.; Edwards, D.G., The Vapor Pressure, Orthobaric Densities, and Critical Constants of 2,2,4-Trimethylpentane, J. Am. Chem. Soc., 1948, 70, 3382. [all data]


Go To: Top, Critical temperature, References