Ethylene

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.


Condensed phase thermochemistry data

Go To: Top, Phase change data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid28.15cal/mol*KN/AChao, Hall, et al., 1983 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
16.1170.Chao, Hall, et al., 1983T = 16 to 169 K.
16.07170.Egan and Kemp, 1937T = 15 to 170 K.

Phase change data

Go To: Top, Condensed phase thermochemistry data, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil169. ± 1.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus103.8KN/AStreng, 1971Uncertainty assigned by TRC = 0.2 K; TRC
Tfus103.7KN/AKistiakowsky, Romeyn, et al., 1935Uncertainty assigned by TRC = 0.5 K; TRC
Tfus103.7KN/AParks and Huffman, 1931Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Ttriple104.0 ± 0.1KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Ptriple0.0012atmN/AJahangiri, Jacobsen, et al., 1986Uncertainty assigned by TRC = 0.00005 atm; TRC
Ptriple0.0012atmN/AJahangiri, 1984TRC
Quantity Value Units Method Reference Comment
Tc282.5 ± 0.5KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Pc49.9 ± 0.5atmAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.1311l/molN/ATsonopoulos and Ambrose, 1996 
Vc0.13099l/molN/AJahangiri, 1984Uncertainty assigned by TRC = 0.00002 l/mol; TRC
Vc0.13098l/molN/ADouslin and Harrison, 1976Uncertainty assigned by TRC = 0.0001 l/mol; TRC
Vc0.12868l/molN/AAngus, Armstrong, et al., 1974Uncertainty assigned by TRC = 0.0001 l/mol; TRC
Quantity Value Units Method Reference Comment
ρc7.63 ± 0.004mol/lN/ATsonopoulos and Ambrose, 1996 
ρc7.6334mol/lN/AJahangiri, Jacobsen, et al., 1986Uncertainty assigned by TRC = 0.004 mol/l; TRC
ρc7.6341mol/lN/AHastings, Levelt Sengers, et al., 1980Uncertainty assigned by TRC = 0.0007 mol/l; PVT, Burnett apparatus, Unct. value one standard deviation from fitting.; TRC
ρc18.894mol/lN/AAngus, Armstrong, et al., 1974Uncertainty assigned by TRC = 0.007 mol/l; TRC
ρc7.6986mol/lN/AMathias, Crommelin, et al., 1929Uncertainty assigned by TRC = 0.02 mol/l; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
3.2371169.40N/AEgan and Kemp, 1937DH
3.35267.AStephenson and Malanowski, 1987Based on data from 252. to 282. K.; AC
3.27258.AStephenson and Malanowski, 1987Based on data from 170. to 273. K.; AC
3.44155.AStephenson and Malanowski, 1987Based on data from 120. to 170. K.; AC
3.27196.AStephenson and Malanowski, 1987Based on data from 169. to 211. K.; AC
3.25239.AStephenson and Malanowski, 1987Based on data from 209. to 254. K.; AC
3.37167.AStephenson and Malanowski, 1987Based on data from 120. to 182. K. See also Dykyj, 1970.; AC
3.35175.N/AMichels and Wassenaar, 1950Based on data from 150. to 190. K.; AC
3.42161.N/ALamb and Roper, 1940Based on data from 148. to 174. K.; AC
3.44156.N/AEgan and Kemp, 1937Based on data from 124. to 171. K.; AC

Entropy of vaporization

ΔvapS (cal/mol*K) Temperature (K) Reference Comment
19.11169.40Egan and Kemp, 1937DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
149.37 to 188.573.86690584.146-18.307Michels and Wassenaar, 1950Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
4.4091.5A,MSStephenson and Malanowski, 1987Based on data from 79. to 104. K. See also Tickner and Lossing, 1951.; AC
3.5977. to 103.N/AMenaucourt, 1982AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
0.8009103.97Chao, Hall, et al., 1983DH
0.8009103.95Egan and Kemp, 1937DH
0.801104.Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
7.703103.97Chao, Hall, et al., 1983DH
7.703103.95Egan and Kemp, 1937DH

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, Condensed phase thermochemistry data, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic properties of simple alkenes, Thermochim. Acta, 1983, 64(3), 285-303. [all data]

Egan and Kemp, 1937
Egan, C.J.; Kemp, J.D., Ethylene. The heat capacity from 15°K to the boiling point. The heats of fusion and vaporization. The vapor pressure of the liquid. The entropy from thermal measurements compared with the entropy from spectroscopic data, J. Am. Chem. Soc., 1937, 59, 1264-1268. [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]

Kistiakowsky, Romeyn, et al., 1935
Kistiakowsky, G.B.; Romeyn, H.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of Organic Reactions. I. The Apparatus and the Heat of Hydrogenation of Ethylene, J. Am. Chem. Soc., 1935, 57, 65. [all data]

Parks and Huffman, 1931
Parks, G.S.; Huffman, H.M., Some fusion and transition data for hydrocarbons, Ind. Eng. Chem., 1931, 23, 1138-9. [all data]

Jahangiri, Jacobsen, et al., 1986
Jahangiri, M.; Jacobsen, R.T.; Stewart, R.B.; McCarty, R.D., Thermodynamic Properties of Ethylene from the Freezing Line to 450 K at Pressures to 260 MPa, J. Phys. Chem. Ref. Data, 1986, 15, 593. [all data]

Jahangiri, 1984
Jahangiri, M., A thermodynamic property formulation for ethylene from the freezing line to 450 K at pressures to 260 MPa, Ph.D. Thesis, Univ. Idaho, Moscow, 1984. [all data]

Tsonopoulos and Ambrose, 1996
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons, J. Chem. Eng. Data, 1996, 41, 645-656. [all data]

Douslin and Harrison, 1976
Douslin, D.R.; Harrison, R.H., Pressure, Volume, Temperature Relations of Ethylene, J. Chem. Thermodyn., 1976, 8, 301-330. [all data]

Angus, Armstrong, et al., 1974
Angus, S.; Armstrong, B.; de Reuck, K.M., International Thermodynamic Tables of the Fluid State - 2 Ethylene, Butterworths, London, 1974. [all data]

Hastings, Levelt Sengers, et al., 1980
Hastings, J.R.; Levelt Sengers, J.M.H.; Balfour, F.W., The critical=region equation of state of ethene and the effect of small impurities, J. Chem. Thermodyn., 1980, 12, 1009-45. [all data]

Mathias, Crommelin, et al., 1929
Mathias, E.; Crommelin, C.-A.; Watts, H.G., Actes Veme Congress International Du Froid 2, 66, 1929. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Michels and Wassenaar, 1950
Michels, A.; Wassenaar, T., The vapour pressure of ethylene, Physica, 1950, 16, 3, 221-224, https://doi.org/10.1016/0031-8914(50)90018-8 . [all data]

Lamb and Roper, 1940
Lamb, Arthur B.; Roper, Edwin E., The Vapor Pressures of Certain Unsaturated Hydrocarbons, J. Am. Chem. Soc., 1940, 62, 4, 806-814, https://doi.org/10.1021/ja01861a032 . [all data]

Tickner and Lossing, 1951
Tickner, A.W.; Lossing, F.P., The Measurement of Low Vapor Pressures by Means of a Mass Spectrometer., J. Phys. Chem., 1951, 55, 5, 733-740, https://doi.org/10.1021/j150488a013 . [all data]

Menaucourt, 1982
Menaucourt, J., Saturated vapor pressure of ethylene from 77 to 119 K, J. Chim. Phys. Phys.-Chim. Biol., 1982, 79, 6, 531. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, References