Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Critical density

Go To: Top, References, Notes

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

ρc (mol/l) Reference Comment
6.87 ± 0.01Ambrose and Tsonopoulos, 1995 
6.88Friend, Ingham, et al., 1991Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.75Teja, Lee, et al., 1989TRC
6.681Morrison and Kincaid, 1984Uncertainty assigned by TRC = 0.3 mol/l; TRC
6.7997Sychev, Vasserman, et al., 1982Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.844Bulavin and Shimanskii, 1979Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.858Burton and Balzarini, 1974Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.834Strumpf, Collings, et al., 1974Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.871Douslin and Harrison, 1973Uncertainty assigned by TRC = 0.007 mol/l; TRC
6.858Bulavin, Ostanevich, et al., 1971Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.821Chashkin, Smirnov, et al., 1970Uncertainty assigned by TRC = 0.1 mol/l; TRC
6.75Tsiklis and Prokhorov, 1967Vis in pVT apparatus, Khodeeva and Lebedeva Russ. J. Phys. Chem. 1966, 40, 1668.; TRC
7.15Whiteway and Mason, 1953Uncertainty assigned by TRC = 0.3 mol/l; TRC
6.715Kay and Nevens, 1952Uncertainty assigned by TRC = 0.2 mol/l; TRC
7.3175Kay, 1940Uncertainty assigned by TRC = 0.3 mol/l; TRC
6.75Beattie, Su, et al., 1939Uncertainty assigned by TRC = 0.2 mol/l; TRC
7.3172Kay, 1938Uncertainty assigned by TRC = 0.053 mol/l; TRC
7.05Sage, Webster, et al., 1937Uncertainty assigned by TRC = 0.2 mol/l; TRC
6.88Kuenen and Robson, 1902Uncertainty assigned by TRC = 0.1 mol/l; 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 density, 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]

Friend, Ingham, et al., 1991
Friend, D.G.; Ingham, H.; Ely, J.F., Thermophysical Properties of Ethane, J. Phys. Chem. Ref. Data, 1991, 20, 2, 275-347, . [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]

Morrison and Kincaid, 1984
Morrison, G.; Kincaid, J.M., Critical Point Measurements on Nearly Polydisperse Fluids, AIChE J., 1984, 30, 257. [all data]

Sychev, Vasserman, et al., 1982
Sychev, V.V.; Vasserman, A.A.; Kozlov, A.D.; Zagoruchenko, V.A.; Spiridonov, G.A.; Tsymarny, V.A., Thermodynamic Properties of Ethane, Standards Publishing House, 1982. [all data]

Bulavin and Shimanskii, 1979
Bulavin, L.A.; Shimanskii, Yu.I., Zh. Eksp. Teor. Fiz., 1979, 29, 482-5. [all data]

Burton and Balzarini, 1974
Burton, M.; Balzarini, D., Can. J. Phys., 1974, 52, 2011-3. [all data]

Strumpf, Collings, et al., 1974
Strumpf, H.J.; Collings, A.F.; Pings, C.J., Viscosity of Xenon and Ethane in the critical region, J. Chem. Phys., 1974, 60, 3109-23. [all data]

Douslin and Harrison, 1973
Douslin, D.R.; Harrison, R.H., Pressure, Volume, Temperature Relations of Ethane, J. Chem. Thermodyn., 1973, 5, 491-512. [all data]

Bulavin, Ostanevich, et al., 1971
Bulavin, L.A.; Ostanevich, Yu.M.; Simkina, A.P.; Stelkov, A.V., Ukr. Fiz. Zh. (Ukr. Ed.), 1971, 16, 90. [all data]

Chashkin, Smirnov, et al., 1970
Chashkin, Yu.R.; Smirnov, V.A.; Voronel, A.V., Study of the ethane coexistence curve shape near the critical point using the method of quasistatic thermograms, Teplofiz. Svoistva Veshchestv Mater., 1970, 2, 139. [all data]

Tsiklis and Prokhorov, 1967
Tsiklis, D.S.; Prokhorov, V.M., Phase equilibria in systems containing fluorine compounds, Zh. Fiz. Khim., 1967, 41, 2195-9. [all data]

Whiteway and Mason, 1953
Whiteway, S.G.; Mason, S.G., Coexistence Phenonena in the Critical region II. Influence of Gravity on the Coexistence Curves of Ethane, Ethylene, and Xenon, Can. J. Chem., 1953, 31, 569-84. [all data]

Kay and Nevens, 1952
Kay, W.B.; Nevens, T.D., Liquid-Vapor Equilibrium Relations in Binary Systems: the Ethane-benzene SYStem, Chem. Eng. Prog., Symp. Ser., 1952, 48, 3, 108. [all data]

Kay, 1940
Kay, W.B., Liquid-Vapor Equilibrium Relations in Binary Systems. The Ethane- Butane System, Ind. Eng. Chem., 1940, 32, 353-7. [all data]

Beattie, Su, et al., 1939
Beattie, J.A.; Su, G.-J.; Simard, G.L., The Critical Constants of Ethane, J. Am. Chem. Soc., 1939, 61, 924. [all data]

Kay, 1938
Kay, W.B., Liquid-Vapor Phase Equilibrium Relations in the Ethane-n-Heptane Syst., Ind. Eng. Chem., 1938, 30, 459-65. [all data]

Sage, Webster, et al., 1937
Sage, B.H.; Webster, D.C.; Lacey, W.N., Phase Equilibria in Hydrocarbon Systems: Thermodynamic Properties of Ethane ethane, Ind. Eng. Chem., 1937, 29, 658-666. [all data]

Kuenen and Robson, 1902
Kuenen, J.P.; Robson, W.G., Vapor-pressures of carbon dioxide and of ehane at temperatures below 0 deg C., Philos. Mag., 1902, 3, 149-59. [all data]


Go To: Top, Critical density, References