Butane, 2,3-dimethyl-

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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
31.5 ± 0.2Daubert, 1996 
31.80Quadri and Kudchadker, 1992Uncertainty assigned by TRC = 0.40 bar; TRC
32.4524Genco, Teja, et al., 1980Uncertainty assigned by TRC = 0.05 bar; TRC
31.45Kay and Young, 1975Uncertainty assigned by TRC = 0.03 bar; TRC
31.47Kay and Young, 1974Uncertainty assigned by TRC = 0.02 bar; TRC
31.40Kay, 1946Uncertainty assigned by TRC = 0.1013 bar; TRC
31.144Young, 1910Uncertainty assigned by TRC = 0.667 bar; TRC
31.124Young and Fortey, 1879Uncertainty assigned by TRC = 0.085 bar; from obs. vapor pressure at Tc; TRC

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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]

Quadri and Kudchadker, 1992
Quadri, S.K.; Kudchadker, A.P., The critical temperatures and critical pressures of some examples of (a polar substance + a nonpolar substance) and of (a polar substance + another polar substance), J. Chem. Thermodyn., 1992, 24, 473-80. [all data]

Genco, Teja, et al., 1980
Genco, J.M.; Teja, A.S.; Kay, W.B., Study of the critical and azeotropic behavior of binary mixtures I critical states of perfluoromethylcyclohexane + isomeric hexane systems, J. Chem. Eng. Data, 1980, 25, 350. [all data]

Kay and Young, 1975
Kay, W.B.; Young, C.L., Gas-liquid critical properties. Tetradecafluoromethylcyclohexane( perfluoromethylcyclohexane)-2,3-dimethylbutane system, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1975, No. 1, 60. [all data]

Kay and Young, 1974
Kay, W.B.; Young, C.L., Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 3, 196. [all data]

Kay, 1946
Kay, W.B., The Vapor Pressures and Saturated Liquid and Vapor Densities of the Isomeric Hexanes, J. Am. Chem. Soc., 1946, 68, 1336. [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, 1879
Young, S.; Fortey, E.C., Vapor Pressures, Specific Volumes, and Critical Constants of Diisopropyl and Diisobutyl, J. Chem. Soc., 1879, 35, 1126-44. [all data]


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