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Ethanamine, N-ethyl-

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Phase change data

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil328.7 ± 0.8KAVGN/AAverage of 19 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus223.35KN/AAnonymous, 1968TRC
Tfus223.15KN/APohland and Mehl, 1933Uncertainty assigned by TRC = 2. K; TRC
Tfus225.15KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 1. K; TRC
Tfus223.15KN/ATimmermans, 1921Uncertainty assigned by TRC = 0.5 K; TRC
Tfus223.15KN/ABerthoud, 1917Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Tc498. ± 3.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Pc36.99atmN/AMandlekar, Kay, et al., 1985Uncertainty assigned by TRC = 0.987 atm; TRC
Pc37.09atmN/AKay and Young, 1976Uncertainty assigned by TRC = 0.15 atm; TRC
Pc37.09atmN/AKay and Young, 1976, 2Uncertainty assigned by TRC = 0.15 atm; TRC
Pc36.9897atmN/AKreglewski and Kay, 1969Uncertainty assigned by TRC = 0.2041 atm; TRC
Quantity Value Units Method Reference Comment
rhoc3.32mol/lN/AHerz and Neukirch, 1923Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap7.522kcal/molN/AMajer and Svoboda, 1985 
Deltavap7.48 ± 0.02kcal/molCMajer, Svoboda, et al., 1979AC
Deltavap7.82 ± 0.05kcal/molIFranks and Watson, 1969Based on data from 273. - 333. K.; AC
Deltavap7.46 ± 0.02kcal/molCWadsö, Heikkilä, et al., 1969AC
Deltavap7.45 ± 0.01kcal/molCWadso, 1969ALS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
6.946328.7N/AMajer and Svoboda, 1985 
7.46315.AStephenson and Malanowski, 1987Based on data from 302. - 328. K.; AC
7.27340.AStephenson and Malanowski, 1987Based on data from 325. - 437. K.; AC
6.79446.AStephenson and Malanowski, 1987Based on data from 431. - 496. K.; AC
7.22 ± 0.02313.CMajer, Svoboda, et al., 1979AC
6.96 ± 0.02328.CMajer, Svoboda, et al., 1979AC
6.69 ± 0.02343.CMajer, Svoboda, et al., 1979AC
7.60307.N/AKilian and Bittrich, 1965Based on data from 292. - 313. K. See also Boublik, Fried, et al., 1984.; AC
7.53319.N/ABittrich and Kauer, 1962Based on data from 304. - 323. K. See also Boublik, Fried, et al., 1984.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kcal/mol) beta Tc (K) Reference Comment
298. - 343.12.290.3266496.5Majer and Svoboda, 1985 

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
304.60 - 333.732.85622559.071-132.974Bittrich and Kauer, 1962, 2Coefficents calculated by NIST from author's data.

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, Phase change data, Notes

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

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Pohland and Mehl, 1933
Pohland, E.; Mehl, W., Physical Properties of Ethylamine., Z. Phys. Chem., Abt. A, 1933, 164, 48. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Berthoud, 1917
Berthoud, A., Determination of Critical Temperatures and Pressures of Amines and Alkyl Chlorides, J. Chim. Phys. Phys.-Chim. Biol., 1917, 15, 3. [all data]

Mandlekar, Kay, et al., 1985
Mandlekar, A.V.; Kay, W.B.; Smith, R.L.; Teja, A.S., Phase equilibria in the n-hexane + diethylamine system, Fluid Phase Equilib., 1985, 23, 79. [all data]

Kay and Young, 1976
Kay, W.B.; Young, C.L., Gas-liquid critical properties. Diethylamine-methanol system, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1976, No. 1, 74. [all data]

Kay and Young, 1976, 2
Kay, W.B.; Young, C.L., Gas-liquid critical properties. Diethylamine, 2-butanone (methylethyl ketone) system, Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1976, No. 1, 76. [all data]

Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B., The Critical Constants of Conformal Mixtures, J. Phys. Chem., 1969, 73, 3359. [all data]

Herz and Neukirch, 1923
Herz, W.; Neukirch, E., On Knowldge of the Critical State, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1923, 104, 433-50. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Majer, Svoboda, et al., 1979
Majer, Vladimír; Svoboda, Václav; Koubek, Josef; Pick, Jirí, Temperature dependence of heats of vaporization, saturated vapour pressures and cohesive energies for a group of amines, Collect. Czech. Chem. Commun., 1979, 44, 12, 3521-3528, https://doi.org/10.1135/cccc19793521 . [all data]

Franks and Watson, 1969
Franks, F.; Watson, B., Calorimetric study of dilute aqueous solutions of dialkylamines: hydration of alkyl groups, Trans. Faraday Soc., 1969, 65, 2339, https://doi.org/10.1039/tf9696502339 . [all data]

Wadsö, Heikkilä, et al., 1969
Wadsö, Ingemar; Heikkilä, Jussi; Beagley, B.; Aalto, Tarja; Werner, Per-Erik; Junggren, Ulf; Lamm, Bo; Samuelsson, Benny, Enthalpies of Vaporization of Organic Compounds. III. Amines., Acta Chem. Scand., 1969, 23, 2061-2064, https://doi.org/10.3891/acta.chem.scand.23-2061 . [all data]

Wadso, 1969
Wadso, I., Enthalpies of vaporization of organic compounds, Acta Chem. Scand., 1969, 23, 2061. [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]

Kilian and Bittrich, 1965
Kilian, H.; Bittrich, H.J., Z. Phys. Chem., 1965, 230, 383. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Bittrich and Kauer, 1962
Bittrich, H.-J.; Kauer, E., Z. Phys. Chem. [Frankfurt am Main], 1962, 219, 224. [all data]

Bittrich and Kauer, 1962, 2
Bittrich, H.J.; Kauer, E., Zur Thermodynamik des Systems Diathylamin-Triathylamin. I. Das Flussigkeits-Dampf-Gleichgewicht, Z. Phys. Chem. (Frankfurt/Main), 1962, 219, 224-238. [all data]


Notes

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