Ethanamine, N-ethyl-

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.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, 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: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-23.9kcal/molN/ALemoult, 1907Value computed using ΔfHliquid° value of -131 kj/mol from Lemoult, 1907 and ΔvapH° value of 31.18±0.06 kj/mol from missing citation.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-31.2kcal/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
Δcliquid-725.5kcal/molCcbLemoult, 1907ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
42.57298.15Costas and Patterson, 1985T = 283.15, 298.15, 313.15 K.; DH
42.57298.15Costas and Patterson, 1985, 2DH
25.41290.Kurnakov and Voskresenskaya, 1936DH

Phase change data

Go To: Top, Gas phase thermochemistry data, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny 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 18 values; Individual data points
Quantity Value Units Method Reference Comment
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
ρc3.32mol/lN/AHerz and Neukirch, 1923Uncertainty assigned by TRC = 0.03 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap7.522kcal/molN/AMajer and Svoboda, 1985 
Δvap7.48 ± 0.02kcal/molCMajer, Svoboda, et al., 1979AC
Δvap7.82 ± 0.05kcal/molIFranks and Watson, 1969Based on data from 273. to 333. K.; AC
Δvap7.46 ± 0.02kcal/molCWadsö, Heikkilä, et al., 1969AC
Δvap7.45 ± 0.01kcal/molCWadso, 1969ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
6.946328.7N/AMajer and Svoboda, 1985 
7.46315.AStephenson and Malanowski, 1987Based on data from 302. to 328. K.; AC
7.27340.AStephenson and Malanowski, 1987Based on data from 325. to 437. K.; AC
6.79446.AStephenson and Malanowski, 1987Based on data from 431. to 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. to 313. K. See also Boublik, Fried, et al., 1984.; AC
7.53319.N/ABittrich and Kauer, 1962Based on data from 304. to 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)

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

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

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
304.60 to 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, Gas phase thermochemistry data, 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.

Lemoult, 1907
Lemoult, M.P., Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques, Ann. Chim. Phys., 1907, 12, 395-432. [all data]

Costas and Patterson, 1985
Costas, M.; Patterson, D., Heat capacities of water + organic-solvent mixtures, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 2381-2398. [all data]

Costas and Patterson, 1985, 2
Costas, M.; Patterson, D., Self-association of alcohols in inert solvents, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 635-654. [all data]

Kurnakov and Voskresenskaya, 1936
Kurnakov, N.S.; Voskresenskaya, N.K., Calorimetry of liquid binary systems, Izv. Akad. Nauk SSSR, Otdel. Mat. i Estestv. Nauk. Ser. Khim, 1936, 1936, 439-461. [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

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