2-Hexenal, 2-ethyl-
- Formula: C8H14O
- Molecular weight: 126.1962
- IUPAC Standard InChIKey: PYLMCYQHBRSDND-VURMDHGXSA-N
- CAS Registry Number: 645-62-5
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: α-Ethyl-β-propylacrolein; 2-Ethyl-2-hexen-1-al; 2-Ethyl-2-hexenal; 2-Ethyl-3-propylacrolein; α-Ethyl-β-n-propylacrolein; Acrolein, 2-ethyl-3-propyl-; 2-Ethylhexenal; α-Ethyl-2-hexenal; NSC 4787; 2-ethylhex-2-enal
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Condensed phase thermochemistry data
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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 | -62.46 ± 0.17 | kcal/mol | Ccb | Tjebbes, 1960 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1168.17 ± 0.17 | kcal/mol | Ccb | Tjebbes, 1960 | Corresponding ΔfHºliquid = -62.44 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 450.2 | K | N/A | Dykvy, Seprakova, et al., 1961 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tboil | 444.65 | K | N/A | Komarewsky and Kritchevsky, 1943 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 445.15 | K | N/A | Von Braun and Manz, 1934 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 441.65 | K | N/A | Grignard and Fluchaire, 1928 | Uncertainty assigned by TRC = 2. K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
344. to 347. | 0.039 | Frinton Laboratories Inc., 1986 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.6 | 341. | A | Stephenson and Malanowski, 1987 | Based on data from 326. to 448. K. See also Dykvy, Seprakova, et al., 1961.; AC |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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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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 | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 118166 |
Gas Chromatography
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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 | Apiezon L | 120. | 968. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 987. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1330. | Choi, Kim. M.-S.L., et al., 2002 | 60. m/0.25 mm/0.25 μm, N2, 2. K/min, 230. C @ 20. min; Tstart: 70. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-2 | 1027. | King, Matthews, et al., 1995 | 50. m/0.32 mm/0.52 μm, He, 40. C @ 3. min, 4. K/min, 250. C @ 30. min |
Capillary | Ultra-2 | 1031. | King, Hamilton, et al., 1993 | 50. m/0.32 mm/0.52 μm, He, 40. C @ 3. min, 4. K/min, 250. C @ 30. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 MS | 1011. | Liu, Xu, et al., 2007 | 60. m/0.32 mm/1.0 μm, Helium; Program: 40 0C (2 min) 6 0C/min -> 100 0C 4 0C/min -> 180 0C 8 0C/min -> 250 0C (12 min) |
Capillary | HP-5 | 964. | Splivallo, Bossi, et al., 2007 | He; Program: 50C => 3C/min => 200C(10min) => 10C/min => 290C(10min) |
Capillary | SE-30 | 1007. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1336. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tjebbes, 1960
Tjebbes, J.,
Heats of combustion of butannal and some related compounds,
Acta Chem. Scand., 1960, 14, 180-188. [all data]
Dykvy, Seprakova, et al., 1961
Dykvy, J.; Seprakova, M.; Paulech, J.,
Chem. Zvesti, 1961, 15, 465. [all data]
Komarewsky and Kritchevsky, 1943
Komarewsky, V.I.; Kritchevsky, T.H.,
Synthesis of Olefin Hydrocarbons by Catalytic Condensation and Dehydration of Aliphatic Aldehydes,
J. Am. Chem. Soc., 1943, 65, 547-8. [all data]
Von Braun and Manz, 1934
Von Braun, J.; Manz, G.,
The Decomposition of Aldehydes with Metals and Its Catalysis,
Chem. Ber., 1934, 67, 1696. [all data]
Grignard and Fluchaire, 1928
Grignard, V.; Fluchaire, M.,
Suiz les proprietetes condensantes des alcoolates magnesiens mixtures,
Ann. Chim. (Paris), 1928, 9, 5. [all data]
Frinton Laboratories Inc., 1986
Frinton Laboratories Inc.,
Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [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]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]
Choi, Kim. M.-S.L., et al., 2002
Choi, H.-S.; Kim. M.-S.L.; Sawamura, M.,
Constituents of the essential oil of cnidium officinale Makino, a Korean medicinal plant,
Flavour Fragr. J., 2002, 17, 1, 49-53, https://doi.org/10.1002/ffj.1038
. [all data]
King, Matthews, et al., 1995
King, M.-F.; Matthews, M.A.; Rule, D.C.; Field, R.A.,
Effect of beef packaging method on volatile compounds developed by oven roasting or microwave cooking,
J. Agric. Food Chem., 1995, 43, 3, 773-778, https://doi.org/10.1021/jf00051a039
. [all data]
King, Hamilton, et al., 1993
King, M.-F.; Hamilton, B.L.; Matthews, M.A.; Rule, D.C.; Field, R.A.,
Isolation and identification of volatiles and condensable material in raw beef with supercritical carbon dioxide extraction,
J. Agric. Food Chem., 1993, 41, 11, 1974-1981, https://doi.org/10.1021/jf00035a030
. [all data]
Liu, Xu, et al., 2007
Liu, Y.; Xu, X.-L.; Zhou, G.-H.,
Comparative study of volatile compounds in traditional Chinese Nanjing marinated duck by different extraction techniques,
Int. J. Food Sci. Technol., 2007, 42, 5, 543-550, https://doi.org/10.1111/j.1365-2621.2006.01264.x
. [all data]
Splivallo, Bossi, et al., 2007
Splivallo, R.; Bossi, S.; Maffei, M.; Bonfante, P.,
Discrimination of truffle fruiting body versus mycelial aromas by stir bar sorptive extraction,
Phytochemistry, 2007, 68, 20, 2584-2598, https://doi.org/10.1016/j.phytochem.2007.03.030
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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