Hexanal, 2-ethyl-
- Formula: C8H16O
- Molecular weight: 128.2120
- IUPAC Standard InChIKey: LGYNIFWIKSEESD-UHFFFAOYSA-N
- CAS Registry Number: 123-05-7
- 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. - Other names: α-Ethylcaproaldehyde; Butylethylacetaldehyde; Ethylbutylacetaldehyde; 2-Ethylhexaldehyde; 2-Ethylhexanal; 2-Ethylhexylaldehyde; 3-Formylheptane; 2-Ethylcaproaldehyde; α-Ethylhexanal; 2-Ethylhexan-1-al; NSC 42871
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Phase change data
Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 433.15 | K | N/A | Komarewsky and Kritchevsky, 1943 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 434.65 | K | N/A | Powell and Baldwin, 1936 | Uncertainty assigned by TRC = 3. K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
328.2 | 0.017 | Aldrich Chemical Company Inc., 1990 | BS |
IR Spectrum
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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
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 | 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 |
Mass spectrum (electron ionization)
Go To: Top, 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 | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291286 |
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 |
---|---|---|---|---|---|
Capillary | HP-1 | 110. | 940. | Héberger and Görgényi, 1999 | 50. m/0.32 mm/1.05 μm, N2 |
Capillary | HP-1 | 50. | 933. | Héberger and Görgényi, 1999 | 50. m/0.32 mm/1.05 μm, N2 |
Capillary | HP-1 | 70. | 935. | Héberger and Görgényi, 1999 | 50. m/0.32 mm/1.05 μm, N2 |
Capillary | HP-1 | 90. | 938. | Héberger and Görgényi, 1999 | 50. m/0.32 mm/1.05 μm, N2 |
Packed | Apiezon L | 120. | 926. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 941. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | HP-Innowax | 110. | 1220.6 | Héberger and Görgényi, 1999 | 30. m/0.32 mm/0.5 μm |
Capillary | HP-Innowax | 50. | 1197.8 | Héberger and Görgényi, 1999 | 30. m/0.32 mm/0.5 μm |
Capillary | HP-Innowax | 70. | 1205.9 | Héberger and Görgényi, 1999 | 30. m/0.32 mm/0.5 μm |
Capillary | HP-Innowax | 90. | 1213.1 | Héberger and Görgényi, 1999 | 30. m/0.32 mm/0.5 μm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Sil 8CB-MS | 956. | Hierro, de la Hoz, et al., 2004 | 60. m/0.25 mm/0.25 μm, 40. C @ 2. min, 4. K/min, 280. C @ 5. min |
Capillary | DB-5 | 954.5 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | BPX-5 | 963. | Elmore, Mottram, et al., 1997 | 50. m/0.32 mm/0.5 μm, He; Program: 0C (10min) => 40C/min => 40C (2min) => 4C/min => 280C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-1 | 60. | 933. | Amboni, Junkes, et al., 2002 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 959. | Anker, Jurs, et al., 1990 | 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-1 | 933. | Junkes, Amboni, et al., 2004 | Program: not specified |
Capillary | SE-30 | 959. | Vinogradov, 2004 | Program: not specified |
Capillary | Polydimethyl siloxane | 933. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 932. | 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 | Carbowax 20M | 1216. | Anker, Jurs, et al., 1990 | 2. K/min; Column length: 80. m; Column diameter: 0.2 mm; Tstart: 70. C; Tend: 170. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Innowax | 1198. | Junkes, Amboni, et al., 2004 | Program: not specified |
Capillary | Carbowax 20M | 1216. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, 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.
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]
Powell and Baldwin, 1936
Powell, S.G.; Baldwin, M.M.,
The Condensation of 2-Butanone with Aldehydes of the Type RR'CHCHO,
J. Am. Chem. Soc., 1936, 58, 1871. [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]
Héberger and Görgényi, 1999
Héberger, K.; Görgényi, M.,
Principal component analysis of Kováts indices for carbonyl compounds in capillary gas chromatography,
J. Chromatogr., 1999, 845, 1-2, 21-31, https://doi.org/10.1016/S0021-9673(99)00323-4
. [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]
Hierro, de la Hoz, et al., 2004
Hierro, E.; de la Hoz, L.; Ordóñez, J.A.,
Headspace volatile compounds from salted and occasionally smoked dried meats (cecinas) as affected by animal species,
Food Chem., 2004, 85, 4, 649-657, https://doi.org/10.1016/j.foodchem.2003.07.001
. [all data]
Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J.,
Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere,
Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003
. [all data]
Elmore, Mottram, et al., 1997
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D.,
Novel thiazoles and 3-thiazolines in cooked beef aroma,
J. Agric. Food Chem., 1997, 45, 9, 3603-3607, https://doi.org/10.1021/jf970066m
. [all data]
Amboni, Junkes, et al., 2002
Amboni, R.D.DeM.C.; Junkes, B. daS.; Yunes, R.A.; Heinzen, V.E.F.,
Quantitative structure-property relationships study of chromatographic retention indices and normal boiling points for oxo compounds using the semi-empirical topological method,
J. Mol. Struct. (Theochem), 2002, 586, 1-3, 71-80, https://doi.org/10.1016/S0166-1280(02)00062-3
. [all data]
Anker, Jurs, et al., 1990
Anker, L.S.; Jurs, P.C.; Edwards, P.A.,
Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups,
Anal. Chem., 1990, 62, 24, 2676-2684, https://doi.org/10.1021/ac00223a006
. [all data]
Junkes, Amboni, et al., 2004
Junkes, B.S.; Amboni, R.D.M.C.; Yunes, R.A.; Heinzen, V.E.F.,
Application of the semi-empirical topological index in quantitative structure-chromatographic retention relationship (QSRR) studies of aliphatic ketones and aldehydes on stationary phases of different polarity,
J. Braz. Chem. Soc., 2004, 15, 2, 183-189, https://doi.org/10.1590/S0103-50532004000200005
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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