Ethanamine, N-ethyl-
- Formula: C4H11N
- Molecular weight: 73.1368
- IUPAC Standard InChIKey: HPNMFZURTQLUMO-UHFFFAOYSA-N
- CAS Registry Number: 109-89-7
- 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. - Isotopologues:
- Other names: Diethylamine; N,N-Diethylamine; (C2H5)2NH; DEA; Diaethylamin; Diethamine; Dietilamina; Dwuetyloamina; UN 1154; N-Ethylethanamine
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Gas phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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 |
---|---|---|---|---|---|
ΔfH°gas | -99.8 | kJ/mol | N/A | Lemoult, 1907 | Value computed using ΔfHliquid° value of -131 kj/mol from Lemoult, 1907 and ΔvapH° value of 31.18±0.06 kj/mol from missing citation. |
Phase change data
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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 |
---|---|---|---|---|---|
Tboil | 328.7 ± 0.8 | K | AVG | N/A | Average of 18 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 223.15 | K | N/A | Pohland and Mehl, 1933 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 225.15 | K | N/A | Timmermans and Mattaar, 1921 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 223.15 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 223.15 | K | N/A | Berthoud, 1917 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 498. ± 3. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 37.48 | bar | N/A | Mandlekar, Kay, et al., 1985 | Uncertainty assigned by TRC = 1.00 bar; TRC |
Pc | 37.58 | bar | N/A | Kay and Young, 1976 | Uncertainty assigned by TRC = 0.15 bar; TRC |
Pc | 37.58 | bar | N/A | Kay and Young, 1976, 2 | Uncertainty assigned by TRC = 0.15 bar; TRC |
Pc | 37.4798 | bar | N/A | Kreglewski and Kay, 1969 | Uncertainty assigned by TRC = 0.2068 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.32 | mol/l | N/A | Herz and Neukirch, 1923 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 31.47 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 31.3 ± 0.1 | kJ/mol | C | Majer, Svoboda, et al., 1979 | AC |
ΔvapH° | 32.7 ± 0.2 | kJ/mol | I | Franks and Watson, 1969 | Based on data from 273. to 333. K.; AC |
ΔvapH° | 31.2 ± 0.1 | kJ/mol | C | Wadsö, Heikkilä, et al., 1969 | AC |
ΔvapH° | 31.18 ± 0.06 | kJ/mol | C | Wadso, 1969 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.06 | 328.7 | N/A | Majer and Svoboda, 1985 | |
31.2 | 315. | A | Stephenson and Malanowski, 1987 | Based on data from 302. to 328. K.; AC |
30.4 | 340. | A | Stephenson and Malanowski, 1987 | Based on data from 325. to 437. K.; AC |
28.4 | 446. | A | Stephenson and Malanowski, 1987 | Based on data from 431. to 496. K.; AC |
30.2 ± 0.1 | 313. | C | Majer, Svoboda, et al., 1979 | AC |
29.1 ± 0.1 | 328. | C | Majer, Svoboda, et al., 1979 | AC |
28.0 ± 0.1 | 343. | C | Majer, Svoboda, et al., 1979 | AC |
31.8 | 307. | N/A | Kilian and Bittrich, 1965 | Based on data from 292. to 313. K. See also Boublik, Fried, et al., 1984.; AC |
31.5 | 319. | N/A | Bittrich and Kauer, 1962 | Based 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)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 343. | 51.41 | 0.3266 | 496.5 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
304.60 to 333.73 | 2.86193 | 559.071 | -132.974 | Bittrich and Kauer, 1962, 2 | Coefficents calculated by NIST from author's data. |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | SRD/NIST Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | EPA-IR VAPOR PHASE LIBRARY |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Gas Chromatography, 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
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-8271 |
NIST MS number | 238501 |
Gas Chromatography
Go To: Top, Gas 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | C78, Branched paraffin | 130. | 548.9 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | C78, Branched paraffin | 130. | 548.9 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Packed | Apolane | 130. | 556. | Dutoit, 1991 | Column length: 3.7 m |
Packed | OV-101 | 130. | 527. | Osmialowski, Halkiewicz, et al., 1985 | Ar, Chromosorb W HP; Column length: 1. m |
Packed | Apiezon L | 100. | 557. | Golovnya, Zhuravleva, et al., 1980 | N2, Chromosorb GAW; Column length: 2.7 m |
Packed | PMS-100 | 130. | 546. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PMS-100 | 150. | 544. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PMS-100 | 180. | 544. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | Apiezon L | 100. | 560. | Golovnya and Zhuravleva, 1973 | |
Packed | Squalane | 50. | 546. | Vernon, 1971 | N2 |
Packed | Apiezon L | 130. | 553. | Landault and Guiochon, 1964 | Teflon-Haloport; Column length: 2.26 m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | PEG-2000 | 120. | 718. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 150. | 716. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 152. | 712. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 179. | 707. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 180. | 707. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Packed | PEG-2000 | 200. | 700. | Anderson, Jurel, et al., 1973 | He, Celite 545 (44-60 mesh); Column length: 3. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 564. | Bartelt, 1997 | 30. m/0.32 mm/5. μm, He, 35. C @ 1. min, 10. K/min; Tend: 270. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 130. | 527. | Qi, Yang, et al., 2000 | |
Packed | Squalane | 100. | 539. | Vernon, 1971 | N2 |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 560. | Chen and Feng, 2007 | Program: not specified |
Capillary | Methyl Silicone | 548. | Savelieva and Zenkevich I., 2003 | Program: not specified |
Capillary | Methyl Silicone | 548. | Zenkevich, 1999 | Program: not specified |
Capillary | SPB-1 | 559. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
Capillary | Methyl Silicone | 548. | Zenkevich, Korolenko, et al., 1995 | Program: not specified |
Capillary | SPB-1 | 559. | Strete, Ruprah, et al., 1992 | 60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 527. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 712. | Rochat, Egger, et al., 2009 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 3. min, 8. K/min, 200. C @ 9.5 min |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polyethylene Glycol | 710. | Zenkevich, Korolenko, et al., 1995 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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]
Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F.,
Freezing points of orgainic substances VI. New experimental determinations.,
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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,
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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,
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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,
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Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B.,
The Critical Constants of Conformal Mixtures,
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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.,
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. [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
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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,
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Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E.,
Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups,
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Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz.,
Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups,
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Dutoit, 1991
Dutoit, J.,
Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases,
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Osmialowski, Halkiewicz, et al., 1985
Osmialowski, K.; Halkiewicz, J.; Radecki, A.; Kaliszan, R.,
Quantum chemical parameters in correlation analysis of gas-liquid chromatographic retention indices of amines,
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Golovnya, Zhuravleva, et al., 1980
Golovnya, R.V.; Zhuravleva, N.L.; Svetlova, N.I.; Grigor'eva, D.N.,
Gas-chromatographic separation of secondary normal alphatic amines,
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Anderson, Jurel, et al., 1973
Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L.,
Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. VII. Retention indices of amines in some polar and unpolar stationary phases,
Latv. PSR Zinat. Akad. Vestis Kim. Ser., 1973, 1, 51-63. [all data]
Golovnya and Zhuravleva, 1973
Golovnya, R.V.; Zhuravleva, I.L.,
Gas Chromatographic Method of Identification of n-Aliphatic Amines Through the Use of Donor-Acceptor Interaction with Phosphate,
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Vernon, 1971
Vernon, F.,
An investigation into hydrogen bonding in gas-liquid chromatography,
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Landault and Guiochon, 1964
Landault, C.; Guiochon, G.,
Separation des amines par chromatographie gaz-liquide en utilisant le teflon comme support,
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Bartelt, 1997
Bartelt, R.J.,
Calibration of a commercial solid-phase microextraction device for measuring headspace concentrations of organic volatiles,
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Qi, Y.; Yang, J.; Xu, L.,
correlation analysis of the structures and gas liquid chromatographic retention indices of amines,
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Chen and Feng, 2007
Chen, Y.; Feng, C.,
QSPR study on gas chromatography retention index of some organic pollutants,
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Analisi GC/MS di agenti chimici nervini,
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Zenkevich, I.G.,
New Application of the Retention Index Concept in Gas and High Performance Liquid Chromatography,
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Zenkevich, Korolenko, et al., 1995
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Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
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Rochat, Egger, et al., 2009
Rochat, S.; Egger, J.; Chaintreau, A.,
Strategy for the identification of key odorants: application to shrimp aroma,
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Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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