Benzenamine, N-ethyl-
- Formula: C8H11N
- Molecular weight: 121.1796
- IUPAC Standard InChI: InChI=1S/C8H11N/c1-2-9-8-6-4-3-5-7-8/h3-7,9H,2H2,1H3
- IUPAC Standard InChIKey: OJGMBLNIHDZDGS-UHFFFAOYSA-N
- CAS Registry Number: 103-69-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Aniline, N-ethyl-; Anilinoethane; Ethylaniline; Ethylphenylamine; N-Ethyl-N-phenylamine; N-Ethylaminobenzene; N-Ethylaniline; N-Ethylbenzenamine; Aethylanilin; UN 2272; NSC 8736; N-EthylaniIine
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, UV/Visible 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | 4. | kJ/mol | Ccb | Vriens and Hill, 1952 | |
| ΔfH°liquid | -29. | kJ/mol | Ccb | Lemoult, 1907 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -4724.2 ± 4.2 | kJ/mol | Ccb | Vriens and Hill, 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4727.1 kJ/mol |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, UV/Visible 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 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
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 479. ± 1. | K | AVG | N/A | Average of 9 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 209.65 | K | N/A | Timmermans, 1914 | Uncertainty assigned by TRC = 0.4 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 58.3 ± 0.6 | kJ/mol | N/A | Verevkin, 1997 | Based on data from 279. to 318. K.; AC |
| ΔvapH° | 52.3 | kJ/mol | V | Vriens and Hill, 1952 | ALS |
| ΔvapH° | 52.1 | kJ/mol | N/A | Vriens and Hill, 1952 | DRB |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 52.2 | 326. | A | Stephenson and Malanowski, 1987 | Based on data from 311. to 477. K.; AC |
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 |
|---|---|---|---|---|---|
| 323. to 479.9 | 5.64275 | 2809.017 | 20.856 | Nelson and Wales, 1925 | Coefficents calculated by NIST from author's data. |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, UV/Visible spectrum, References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID (NEAT); BECKMAN IR-4 (HYBRID PRISM-GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY (ADJUSTED subtractmicron0.02um); 2 cm-1 resolution
- SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-420 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
UV/Visible spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Spectrum
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Additional Data
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| Source | Lang (editor), 1972 |
|---|---|
| Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
| Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
| Source reference | RAS UV No. 18987 |
| Instrument | Unicam SP 800 |
| Boiling point | 204.7/ 760 mm |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Vriens and Hill, 1952
Vriens, G.N.; Hill, A.G.,
Equilibria of several reactions of aromatic amines,
Ind. Eng. Chem., 1952, 44, 2732-27. [all data]
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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Timmermans, 1914
Timmermans, J.,
Freezing temperature of organic compounds. II.,
Bull. Soc. Chim. Belg., 1914, 27, 334. [all data]
Verevkin, 1997
Verevkin, Sergey P.,
Thermochemistry of amines: experimental standard molar enthalpies of formation of some aliphatic and aromatic amines,
The Journal of Chemical Thermodynamics, 1997, 29, 8, 891-899, https://doi.org/10.1006/jcht.1997.0212
. [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]
Nelson and Wales, 1925
Nelson, O.A.; Wales, H.,
Vapor Pressures and Boiling Points of Mono- and Dimthylanilines and Mono- and Diethylanilines,
J. Am. Chem. Soc., 1925, 47, 3, 867-872, https://doi.org/10.1021/ja01680a040
. [all data]
Lang (editor), 1972
Lang (editor), L.,
Absorption Spectra in the Ultraviolet and Visible Region, 1972, 16, 82. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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