Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Ethylamine

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, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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
Deltafgas-57.7kJ/molN/ALemoult, 1907Value computed using «DELTA»fHliquid° value of -84.5 kj/mol from Lemoult, 1907 and «DELTA»vapH° value of 26.8±2 kj/mol from trc clapeyron eqn.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafliquid-84.5kJ/molCcbLemoult, 1907 
Quantity Value Units Method Reference Comment
Deltacliquid-1715.kJ/molCcbLemoult, 1907 

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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

Quantity Value Units Method Reference Comment
Tboil291. ± 2.KAVGN/AAverage of 17 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus191. ± 3.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tc456.55KN/APohland and Mehl, 1933Uncertainty assigned by TRC = 1. K; TRC
Tc456.35KN/ABerthoud, 1917Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Pc56.2759barN/ABerthoud, 1917Uncertainty assigned by TRC = 0.4053 bar; TRC
Quantity Value Units Method Reference Comment
rhoc5.408mol/lN/APohland and Mehl, 1933Uncertainty assigned by TRC = 0.22 mol/l; by extrapolation of rectilinera diamters to Tc; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
29.0282.AStephenson and Malanowski, 1987Based on data from 213. - 297. K.; AC
27.2305.AStephenson and Malanowski, 1987Based on data from 290. - 449. K.; AC
27.6306.AStephenson and Malanowski, 1987Based on data from 291. - 387. K.; AC
25.9392.AStephenson and Malanowski, 1987Based on data from 377. - 456. K.; AC
29.1281.N/ABittrich, Kauer, et al., 1962Based on data from 275. - 288. K.; AC
28.9275.N/AStull, 1947Based on data from 190. - 290. K.; AC

Antoine Equation Parameters

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

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

Temperature (K) A B C Reference Comment
190.8 - 289.84.455861121.445-37.854Stull, 1947Coefficents calculated by NIST from author's data.
289.8 - 449.4.530131203.822-23.716Stull, 1947Coefficents 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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C3H9Si+ + Ethylamine = (C3H9Si+ bullet Ethylamine)

By formula: C3H9Si+ + C2H7N = (C3H9Si+ bullet C2H7N)

Quantity Value Units Method Reference Comment
Deltar240.kJ/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986; M
Quantity Value Units Method Reference Comment
Deltar164.J/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986; M

(C2H8N+ bullet 2Ethylamine) + Ethylamine = (C2H8N+ bullet 3Ethylamine)

By formula: (C2H8N+ bullet 2C2H7N) + C2H7N = (C2H8N+ bullet 3C2H7N)

Quantity Value Units Method Reference Comment
Deltar72.4kJ/molHPMSZielinska and Wincel, 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar178.J/mol*KHPMSZielinska and Wincel, 1974gas phase; Entropy change is questionable; M

(C2H8N+ bullet Ethylamine) + Ethylamine = (C2H8N+ bullet 2Ethylamine)

By formula: (C2H8N+ bullet C2H7N) + C2H7N = (C2H8N+ bullet 2C2H7N)

Quantity Value Units Method Reference Comment
Deltar81.6kJ/molHPMSZielinska and Wincel, 1974gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar174.J/mol*KHPMSZielinska and Wincel, 1974gas phase; Entropy change is questionable; M

C2H6N- + Hydrogen cation = Ethylamine

By formula: C2H6N- + H+ = C2H7N

Quantity Value Units Method Reference Comment
Deltar1671. ± 4.6kJ/molG+TSMacKay, Hemsworth, et al., 1976gas phase; B
Quantity Value Units Method Reference Comment
Deltar1638.9 ± 2.9kJ/molIMREMacKay, Hemsworth, et al., 1976gas phase; B

2Ethylamine = Methylamine + Methylamine, N,N-dimethyl-

By formula: 2C2H7N = CH5N + C3H9N

Quantity Value Units Method Reference Comment
Deltar-13.2kJ/molEqkIssoire and Long, 1960gas phase; ALS

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

IR spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 71

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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]

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

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]

Bittrich, Kauer, et al., 1962
Bittrich, H.J.; Kauer, E.; Kraft, M.; Sch«65533»ppe, G.; S«65533»ll, W.; Ullrich, A., Die Dampfdr«65533»cke der «65533»thylamine, J. Prakt. Chem., 1962, 17, 5-6, 250-262, https://doi.org/10.1002/prac.19620170502 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Li and Stone, 1990
Li, X.; Stone, A.J., Gas-Phase (CH3)3Si+ Affinities of Alkylamines and Proton Affinities of Trimethylsilyl Alkylamines, Int. J. Mass Spectrom. Ion Proc., 1990, 101, 2-3, 149, https://doi.org/10.1016/0168-1176(90)87008-5 . [all data]

Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J., A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases, Can. J. Chem., 1986, 74, 59. [all data]

Zielinska and Wincel, 1974
Zielinska, T.J.; Wincel, H., Gas - Phase Solvation of Protonated Aliphatic Amines: Methyl, Ethyl, n - Propyl, and Iso - Propylamine, Chem. Phys. Lett., 1974, 25, 354. [all data]

MacKay, Hemsworth, et al., 1976
MacKay, G.J.; Hemsworth, R.S.; Bohme, D.K., Absolute gas-phase acidities of CH3NH2, C2H5NH2, (CH3)2NH, and (CH3)3N, Can. J. Chem., 1976, 54, 1624. [all data]

Issoire and Long, 1960
Issoire, J.; Long, C., Etude de la thermodynamique chimique de la reaction de formation des methylamines, Bull. Soc. Chim. France, 1960, 2004-2012. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References