Ethane

Formula: C₂H₆
Molecular weight: 30.0690
IUPAC Standard InChI: InChI=1S/C2H6/c1-2/h1-2H3
IUPAC Standard InChIKey: OTMSDBZUPAUEDD-UHFFFAOYSA-N
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
The 3d structure may be viewed using Java or Javascript.
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:
Other data available:
Data at other public NIST sites:
Options:
- Switch to calorie-based units

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.

Normal boiling point

Go To: Top, References, Notes

Data compiled as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

T_boil (K)	Reference	Comment
184.46	Wiebe, Hubbard, et al., 1930	DH
184.6	Streng, 1971	Uncertainty assigned by TRC = 0.2 K; TRC
184.5	Gilmour, Zwicker, et al., 1967	Uncertainty assigned by TRC = 0.3 K; TRC
184.6	Klipping and Schmidt, 1965	TRC
184.5	Croll and Scott, 1964	Uncertainty assigned by TRC = 0.3 K; TRC
184.52	Ziegler, Kirk, et al., 1964	Uncertainty assigned by TRC = 0.1 K; TRC
184.55	Lecat, 1949	Uncertainty assigned by TRC = 0.5 K; TRC
184.65	Lecat, 1948	Uncertainty assigned by TRC = 1. K; TRC
184.6	Rossini, 1948	Uncertainty assigned by TRC = 0.5 K; TRC
184.3	Hooper, 1947	Uncertainty assigned by TRC = 0.5 K; TRC
185.15	Dailey and Felsing, 1943	Uncertainty assigned by TRC = 2. K; TRC
184.3	Rossini, 1943	Uncertainty assigned by TRC = 0.5 K; TRC
185.15	Ruhemann, 1939	Uncertainty assigned by TRC = 2. K; TRC
184.1	Witt and Kemp, 1937	Uncertainty assigned by TRC = 0.2 K; T0=273.1; TRC
184.85	McMillan, 1936	Uncertainty assigned by TRC = 0.5 K; TRC
184.85	McMillan, 1936, 2	Uncertainty assigned by TRC = 0.5 K; TRC
184.15	Ssakmin, 1935	Uncertainty assigned by TRC = 1. K; TRC
185.15	Bruche, 1930	Uncertainty assigned by TRC = 2. K; TRC
184.46	Wiebe, Hubbard, et al., 1930, 2	T0=273.17, may not be obs. but from Loomis & Walters; TRC
184.65	Nekrassow, 1929	Uncertainty assigned by TRC = 0.5 K; TRC
184.55	Plank and Kabeitz, 1926	Uncertainty assigned by TRC = 0.5 K; TRC
184.9	Maass and Wright, 1921	Uncertainty assigned by TRC = 1.5 K; TRC
184.65	Maass and McIntosh, 1914	Uncertainty assigned by TRC = 0.5 K; 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:

References

Go To: Top, Normal boiling point, Notes

Wiebe, Hubbard, et al., 1930
Wiebe, R.; Hubbard, K.H.; Brevoort, M.J., The heat capacity of saturated liquid ethane from the boiling point to the critical temperature and heat fusion of the solid, J. Am. Chem. Soc., 1930, 52, 611-622. [all data]

Streng, 1971
Streng, A.G., Miscibility and Compatibility of Some Liquid and Solidified Gases at Low Temperature, J. Chem. Eng. Data, 1971, 16, 357. [all data]

Gilmour, Zwicker, et al., 1967
Gilmour, J.B.; Zwicker, J.O.; Katz, J.; Scott, R.L., Fluorocarbon Solutions at Low Temperatures V. The Liquid Mixtures C2H6 + C2F6m, C3H8 + C2F6, CH4 + C3F8, C2H6 + C3F8, C3H8 + C3F8, n-C4H10 + C3F8, i-C4H10 + C3F8, C3H8 + n-C4F10, n-C6H14 + n-C4F10, n, J. Phys. Chem., 1967, 71, 3259. [all data]

Klipping and Schmidt, 1965
Klipping, G.; Schmidt, F., Temperature Measurement with the Vapor Pressure Thermometer, Kaeltetechnik, 1965, 17, 382-4. [all data]

Croll and Scott, 1964
Croll, I.M.; Scott, R.L., Fluorocarbon Solutions at Low Termperatures IV. The Liquid Mixtures CH4 + CClF3, CH2F2 + CClF3, CHF3 + CClF3, CF4 + CClF3, C2H6 + CClF3, C2H6 + CF4, and CHF3 + CF4, J. Phys. Chem., 1964, 68, 3853. [all data]

Ziegler, Kirk, et al., 1964
Ziegler, W.T.; Kirk, B.S.; Mullins, J.C.; Berquist, A.R., Calculation of the vap. press. & heats of vaporization & sublimation of liqs. & solids below 1 atms. prss. VII ethane, Ga. Inst. Technol., Eng. Exp. Stn., Proj. A-764, Tech. Rep. No. 1, 1964. [all data]

Lecat, 1949
Lecat, M., Homofunctional azeotropes of hydrocarbons, Ann. Soc. Sci. Bruxelles, Ser. 1, 1949, 63, 58. [all data]

Lecat, 1948
Lecat, M., Orthobaric binary azeotropes of ethers with hydrocarbons, Ann. Soc. Sci. Bruxelles, Ser. 1, 1948, 62, 55. [all data]

Rossini, 1948
Rossini, F.D., Pure compounds from petroleum purification and purity of hydrocarbons, Anal. Chem., 1948, 20, 110-21. [all data]

Hooper, 1947
Hooper, J.H.D., The analysis of hydrocarbon gases by low temperature distillation, Analyst (London), 1947, 72, 513-20. [all data]

Dailey and Felsing, 1943
Dailey, B.P.; Felsing, W.A., The heat capacities at higher temperatures of ethane and propane, J. Am. Chem. Soc., 1943, 65, 42. [all data]

Rossini, 1943
Rossini, F.D., Pet. Eng., 1943, 14, 5, 41-2. [all data]

Ruhemann, 1939
Ruhemann, M., Two-phase equilibrium in the binary and ternary systems I. The system methane-ethane, Proc. R. Soc. London, A, 1939, 171, 121. [all data]

Witt and Kemp, 1937
Witt, R.K.; Kemp, J.D., The heat capacity of ethane from 15K. to the boiling point. The heat of fusion and the heat of vaporization., J. Am. Chem. Soc., 1937, 59, 273. [all data]

McMillan, 1936
McMillan, W.A., An azeotropic mixture of acetylene and ethane at atmospheric pressure., J. Am. Chem. Soc., 1936, 58, 1345. [all data]

McMillan, 1936, 2
McMillan, W.A., I analytical fractionation of hydrocarbon gases, J. Inst. Pet. Technol., 1936, 22, 616-45. [all data]

Ssakmin, 1935
Ssakmin, P.K., Chem. Ber., 1935, 68, 164. [all data]

Bruche, 1930
Bruche, E., Cross sections and molecule structures in the hydrocarbon series: methane, ethane, propane and n-butane, Ann. Phys. (Leipzig), 1930, 4, 387. [all data]

Wiebe, Hubbard, et al., 1930, 2
Wiebe, R.; Hubbard, K.H.; Brevoort, M.J., The Heat Capacity of Saturated Liquid Ethane form the Boiling Point to the Critical Temperature and Heat of Fusion of the Solid, J. Am. Chem. Soc., 1930, 52, 611. [all data]

Nekrassow, 1929
Nekrassow, B., Boiling temperatures in homologous series, Z. Phys. Chem., Abt. A, 1929, 140, 342-54. [all data]

Plank and Kabeitz, 1926
Plank; Kabeitz, Mod. Refrig. Air Cond., 1926, 39, 159. [all data]

Maass and Wright, 1921
Maass, O.; Wright, C.H., SOME PHYSICAL PROPERTIES OF HYDROCARBONS CONTAINING TWO AND THREE CARBON ATOMS., J. Am. Chem. Soc., 1921, 43, 5, 1098-1111, https://doi.org/10.1021/ja01438a013 . [all data]

Maass and McIntosh, 1914
Maass, O.; McIntosh, D., Some Physical Properties of Ethane, Ethylene, and Acetylene, J. Am. Chem. Soc., 1914, 36, 737-742. [all data]

Notes

Go To: Top, Normal boiling point, References

Symbols used in this document:

T_boil Boiling point
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.