Acetamide, N-ethyl-
- Formula: C4H9NO
- Molecular weight: 87.1204
- IUPAC Standard InChIKey: PMDCZENCAXMSOU-UHFFFAOYSA-N
- CAS Registry Number: 625-50-3
- 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. - Other names: Acetamidoethane; Ethylacetamide; N-Ethylacetamide; N-Acetylethylamine; Acetoethylamide; N-Aethylacetamid
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Phase change data
Go To: Top, Gas phase ion energetics 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 478.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 64.9 ± 0.2 | kJ/mol | C | Starzewski, Wadso, et al., 1984 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
364.2 | 0.01 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
55.7 | 376. | Schmelzer and Pusch, 1995 | Based on data from 361. to 423. K.; AC |
Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 898.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 867.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.71 | PE | Jones, Modelli, et al., 1994 | Vertical value; LL |
8.71 | PE | Jones, Modelli, et al., 1994 | Vertical value; LL |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Gas phase ion energetics data, 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
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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-4378 |
NIST MS number | 230370 |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | SE-30 | 180. | 890. | Krawczyk and Piotrowski, 1989 | N2, Chromosorb W AW; Column length: 1. m |
Packed | Apiezon L | 150. | 877. | Zhuravleva I.L., Golovnya R.V., et al., 1978 | N2, Chromosorb G-AW; Column length: 2.7 m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 878. | Zenkevich, 2005 | 25. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1600. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-Wax | 1608. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, 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.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Starzewski, Wadso, et al., 1984
Starzewski, P.; Wadso, I.; Zielenkiewicz, W.,
Enthalpies of vaporization of some N-alkylamides at 298.15 K,
J. Chem. Thermodyn., 1984, 16, 331-334. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Schmelzer and Pusch, 1995
Schmelzer, Jürgen; Pusch, Jens,
Phase equilibria in binary systems containing N-monosubstituted amides and hydrocarbons,
Fluid Phase Equilibria, 1995, 110, 1-2, 183-196, https://doi.org/10.1016/0378-3812(95)02753-2
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Jones, Modelli, et al., 1994
Jones, D.; Modelli, A.; Olivato, P.R.; DalColle, M.; dePalo, M.; Distefano, G.,
Ab initio and electron spectroscopy study of carbonyl derivatives,
J. Chem. Soc. Perkin Trans. 2, 1994, 1994, 1651. [all data]
Krawczyk and Piotrowski, 1989
Krawczyk, W.; Piotrowski, G.T.,
Relationships Between Structure and Retention Index for N-Substituted Amides of Aliphatic Acids on a Non-Polar Column,
J. Chromatogr., 1989, 463, 297-304, https://doi.org/10.1016/S0021-9673(01)84484-8
. [all data]
Zhuravleva I.L., Golovnya R.V., et al., 1978
Zhuravleva I.L.; Golovnya R.V.; Palamarchuk L.F.; Kishkovskii Z.N.,
Gas-chromatographic determination of N-monoalkylacetamides,
J. Anal. Chem. USSR (Engl. Transl.), 1978, 33, 11, 1717-1719. [all data]
Zenkevich, 2005
Zenkevich, I.G.,
Experimentally measured retention indices., 2005. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point 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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