Ethane

• Formula: C₂H₆
• Molecular weight: 30.0690
• IUPAC Standard InChI: InChI=1S/C2H6/c1-2/h1-2H3 Copy

  
• IUPAC Standard InChIKey: OTMSDBZUPAUEDD-UHFFFAOYSA-N Copy
• CAS Registry Number: 74-84-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Species with the same structure:
  • 1-Ethenyl-1-methyl-2,4-bis-(1-methylethenyl)-1S-1α,2β,4α-cyclohexane
• Isotopologues:
  • pentadeuteroethane
  • Ethane-d1
• Other names: Bimethyl; Dimethyl; Ethyl hydride; Methylmethane; C2H6; UN 1035; UN 1961
• Information on this page:
  • Critical pressure
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • Fluid Properties
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • Reference simulation
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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 pressure

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

References

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]

Colgate, Sivaraman, et al., 1992
Colgate, S.O.; Sivaraman, A.; Dejsupa, C., Sonic speed and critical point measurements in ethane by the acoustic resonance method, Fluid Phase Equilib., 1992, 76, 175-85. [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, https://doi.org/10.1063/1.555881 . [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]

Brunner, 1988
Brunner, E., Fluid Mixtures at High Pressures VI. Phase Separation and Critical Phenomena in 18 (n-Alkane + Ammonia) and 4 (n-Alkane _ Methanol) Mixtures, J. Chem. Thermodyn., 1988, 20, 273. [all data]

Brunner, 1987
Brunner, E., Fluid mixtures at high pressures VI. Phase separation and critical phenomina in 18 binary mixtures containing either pyridine or ethanoic acid, J. Chem. Thermodyn., 1987, 19, 823. [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]

Brunner, 1985
Brunner, E., Fluid mixtures at high pressures II. Phase separation and critical phenomena of (ethane + an n-alkanol) and of (ethene + methanol) and (propane + methanol), J. Chem. Thermodyn., 1985, 17, 871. [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]

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]

Khazanova and Sominskaya, 1971
Khazanova, N.E.; Sominskaya, E.E., Changes in the Volume of Ethane Near Its Critical Point, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 88-9. [all data]

Miniovich and Sorina, 1971
Miniovich, V.M.; Sorina, G.A., P-V-T Relations for Ethane in the Vicinity of Its Critical Point of the critical point of ethane: I p-v-t relations for ethane in the vicintiy of its critical point, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 306-7. [all data]

Kay, 1964
Kay, W.B., P-T-x Diagrams in the Critical Region. Acetone-n-Alkane Systems, J. Phys. Chem., 1964, 68, 827-31. [all data]

Schmidt and Thomas, 1954
Schmidt, E.; Thomas, W., Precise Determination of the Critical Points of Carbon Dioxide and Ethane by Measuring Light Refraction, Forsch. Geb. Ingenieurw., 1954, 20B, 161-70. [all data]

Kay and Brice, 1953
Kay, W.B.; Brice, D.B., Liquid-Vapor Equilibrium Relations in Ethane-Hydrogen Sulfide System, Ind. Eng. Chem., 1953, 45, 615-8. [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]

Lu, Newitt, et al., 1941
Lu, H.; Newitt, D.M.; Ruhemann, M., Two-phase Equilibrium in Binary and Ternary Systems IV. The System Ethane-Propylene, Proc. R. Soc. London, A, 1941, 178, 506-25. [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]

Price, 1915
Price, T.W., XX. Osmotic Pressure of Alcoholic Solutions. Part I. Vapour Pressures and Densities, J. Chem. Soc., 1915, 107, 188-98. [all data]

Cardoso and Bell, 1912
Cardoso, E.; Bell, R., Critical constants of ethane, carbon dioxide and sulfur dioxide, J. Chim. Phys. Phys.-Chim. Biol., 1912, 10, 497. [all data]

Kuenen, 1903
Kuenen, J.P., On the Mutual Solubility of Liquids, Philos. Mag., 1903, 6, 637. [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]

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

Hainlen, 1894
Hainlen, A., Propane and Ethane in the Liquid State., Justus Liebigs Ann. Chem., 1894, 282, 229-45. [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]

Notes

Go To: Top, Critical pressure, References

• Symbols used in this document:
  

  Pc	Critical pressure

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.