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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
45.99 ± 0.03Ambrose and Tsonopoulos, 1995 
45.95Brunner, 1990Uncertainty assigned by TRC = 0.10 bar; TRC
45.992Friend, Ely, et al., 1989Uncertainty assigned by TRC = 0.03 bar; TRC
46.04Teja, Lee, et al., 1989TRC
45.9797Younglove and Ely, 1987Uncertainty assigned by TRC = 0.001 bar; TRC
43.992Kleinrahm and Wagner, 1986Uncertainty assigned by TRC = 0.02 bar; Vapour pressure measurement, differential pressure indicator and PB or quartz Bourdon gauge; TRC; Data excluded from overall average
46.20Sychev, Vasserman, et al., 1979Uncertainty assigned by TRC = 0.40 bar; TRC
45.95Angus, Armstrong, et al., 1978Uncertainty assigned by TRC = 0.02 bar; TRC
45.9883Goodwin, 1974TRC
45.957Prydz and Goodwin, 1972Uncertainty assigned by TRC = 0.0045 bar; TRC
46.26Vennix, Leland, et al., 1970Uncertainty assigned by TRC = 0.3447 bar; TRC
46.20Grigor and Steele, 1968Uncertainty assigned by TRC = 0.1519 bar; TRC
46.08Bloomer and Parent, 1952Uncertainty assigned by TRC = 0.3447 bar; TRC
46.30Bennewitz and Andreewa, 1929Uncertainty assigned by TRC = 1.0133 bar; TRC
46.40Keyes, Taylor, et al., 1922Uncertainty assigned by TRC = 1.0133 bar; TRC
46.2042Cardoso, 1915Uncertainty assigned by TRC = 0.3039 bar; TRC
46.20Cardoso, 1915, 2Uncertainty assigned by TRC = 0.4053 bar; TRC
55.60Olszewski, 1895Uncertainty assigned by TRC = 10.132 bar; TRC; Data excluded from overall average
50.70Dewar, 1884Uncertainty assigned by TRC = 4.053 bar; TRC; Data excluded from overall average
57.60Von Wroblewski, 1884Uncertainty assigned by TRC = 10.132 bar; TRC; Data excluded from overall average
47.40Sarrau, 1882Uncertainty assigned by TRC = 2.0265 bar; TRC; Data excluded from overall average

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.

Ambrose and Tsonopoulos, 1995
Ambrose, D.; Tsonopoulos, C., Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkenes, J. Chem. Eng. Data, 1995, 40, 531-546. [all data]

Brunner, 1990
Brunner, E., Fluid Mixtures at High Pressures. 9. Phase Separation and Critical Phenomena in 23 (n-Alkane + Water) Mixtures., J. Chem. Thermodyn., 1990, 22, 335. [all data]

Friend, Ely, et al., 1989
Friend, D.G.; Ely, J.F.; Ingham, H., Thermophysical Properties of Methane, J. Phys. Chem. Ref. Data, 1989, 18, 2, 583-638, . [all data]

Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J., Correlation of the Critical Properties of Alkanes and Alkanols in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]

Younglove and Ely, 1987
Younglove, B.A.; Ely, J.F., Thermophysical Properties of Fluids II. Methane, Ethane, Propane, Isobutane, and Normal Butane, J. Phys. Chem. Ref. Data, 1987, 16, 577. [all data]

Kleinrahm and Wagner, 1986
Kleinrahm, R.; Wagner, W., Measurement and correlation of the equilibrium liquid and vapour densities & the vapour pres. along the coexistence curve of methane, J. Chem. Thermodyn., 1986, 18, 739-60. [all data]

Sychev, Vasserman, et al., 1979
Sychev, V.V.; Vasserman, A.A.; Zagoruchenko, V.A.; Kozlov, A.D.; Spiridonov, G.A.; Tsymarny, V.A., Thermodynamic Properties of Methane, 1979. [all data]

Angus, Armstrong, et al., 1978
Angus, S.; Armstrong, B.; de Reuck, K.M., International Thermodynamic Tables of the Fluid State - 5 Methane, Pergamon, Oxford, 1978. [all data]

Goodwin, 1974
Goodwin, R.D., The Thermodynamic Properties of Methane, from 90 to 500K at Pressures to 700 Bar, NBS Tech. Note (U. S.) No. 653, 1974. [all data]

Prydz and Goodwin, 1972
Prydz, R.; Goodwin, R.D., Experimental Melting and Vapor Pressures of Methane, J. Chem. Thermodyn., 1972, 4, 127-33. [all data]

Vennix, Leland, et al., 1970
Vennix, A.J.; Leland, T.W.; Kobayashi, R., Low-temperature volumetric properties of methane, J. Chem. Eng. Data, 1970, 15, 238-243. [all data]

Grigor and Steele, 1968
Grigor, A.F.; Steele, W.A., Physical properties of fluid ch(4) and cd(4): experimental, J. Chem. Phys., 1968, 48, 1032-1037. [all data]

Bloomer and Parent, 1952
Bloomer, O.T.; Parent, J.D., Physical-chemical properties of methane + nitrogen mixtures, Inst. Gas Technol., Chicago, Res. Bull., 1952, No. 17. [all data]

Bennewitz and Andreewa, 1929
Bennewitz, K.; Andreewa, N., Investigations in the Critical Region III. Energy Measurements by Means of the Joule-Effect, Z. Phys. Chem., Abt. A, 1929, 142, 37. [all data]

Keyes, Taylor, et al., 1922
Keyes, F.G.; Taylor, R.S.; Smith, L.B., The thermodynamic properties of methane, J. Math. Phys. (Cambridge, Mass.), 1922, 1, 211-42. [all data]

Cardoso, 1915
Cardoso, E., Study of the Critical Point of Several Difficultly LIquifiable Gases: Nitrogen, Carbon Monoxide, Oxygen and Methane, J. Chim. Phys. Phys.-Chim. Biol., 1915, 13, 312. [all data]

Cardoso, 1915, 2
Cardoso, E., Experimental determination of the critical constants of oxygen, nitrogen, carbon monoxide and methane., Arch. Sci. Phys. Nat., 1915, 39, 400. [all data]

Olszewski, 1895
Olszewski, K., On the liquefaction of gases, Philos. Mag., 1895, 39, 188. [all data]

Dewar, 1884
Dewar, J., On the Liquefaction of Oxygen and the Critical Volumes of Fluids, Philos. Mag., 1884, 18, 210-6. [all data]

Von Wroblewski, 1884
Von Wroblewski, S., C. R. Hebd. Seances Acad. Sci., 1884, 99, 136-7. [all data]

Sarrau, 1882
Sarrau, E., C. R. Hebd. Seances Acad. Sci., 1882, 94, 718. [all data]


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