Butanal, 2-methyl-
- Formula: C5H10O
- Molecular weight: 86.1323
- IUPAC Standard InChIKey: BYGQBDHUGHBGMD-UHFFFAOYSA-N
- CAS Registry Number: 96-17-3
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: Butyraldehyde, 2-methyl-; α-Methylbutanal; α-Methylbutyraldehyde; α-Methylbutyric aldehyde; Methylethylacetaldehyde; 2-Formylbutane; 2-Methylbutanal; 2-Methylbutyraldehyde; 2-Methylbutyric aldehyde; sec-C4H9CHO; Acetaldehyde, ethylmethyl-; 2-Methyl-1-butanal; (.+/-.)-2-Methylbutanal; 2-Ethylpropanal; NSC 77077
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Van Den Dool and Kratz RI, polar column, custom temperature program
Go To: Top, 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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Supelcowax-10 | Supelcowax-10 | Supelcowax-10 | Supelcowax-10 | Supelcowax-10 |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Program | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 220C(1min) | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) |
I | 915. | 914. | 916. | 915. | 917. |
Reference | Bianchi, Cantoni, et al., 2007 | Bianchi, Careri, et al., 2007 | Bianchi, Careri, et al., 2007 | Bianchi, Careri, et al., 2007 | Bianchi, Careri, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | FFAP | FFAP | FFAP | CP-Wax 52CB | HP-FFAP |
Column length (m) | 25. | 60. | 60. | 60. | 30. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.2 | 0.5 | 0.5 | 0.25 | 0.25 |
Program | 40C(1min) => 40C/min => 60C(1min) => 6C/min => 180C => 15C/min => 240C | 50C(3min) => 3C/min => 100C => 10C/min => 220C(13.5min) | 50C(3min) => 3C/min => 100C => 10C/min => 220C (13.5min) | 40C => 5C/min => 60C => 2.5C/min => 155C | 35C(5min) => 10C/min => 150C => 20C/min => 250C(10 min) |
I | 920. | 922. | 922. | 897. | 905. |
Reference | Frauendorfer and Schieberle, 2006 | Ranau, Kleeberg, et al., 2005 | Ranau and Steinhart, 2005 | Alasalvar, Shahidi, et al., 2003 | Carrapiso, Ventanas, et al., 2002 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | FFAP | DB-FFAP | FFAP | DB-Wax | FFAP |
Column length (m) | 30. | 30. | 30. | 30. | 25. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.32 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.5 |
Program | 35C (2min) => 60C/min => 50C (2min) => 6C/min => 240C (10min) | 35 0C (2 min) 40 K/min -> 60 0C (2 min) 6 K/min -> 230 0C | 40C(2min) => 40C/min => 60C(2min) => 6C/min => 240C(10min) | 30C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | 35C (2min) => 40C/min => 60C => 6C/min => 230C (10min) |
I | 945. | 936. | 945. | 909. | 914. |
Reference | Kirchhoff and Schieberle, 2002 | Zehentbauer and Reineccius, 2002 | Kirchhoff and Schieberle, 2001 | Radovic, Careri, et al., 2001 | Fickert and Schieberle, 1998 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary |
---|---|---|---|
Active phase | FFAP | BP-20 | Carbowax 20M |
Column length (m) | 30. | 50. | 150. |
Carrier gas | He | He | |
Substrate | |||
Column diameter (mm) | 0.32 | 0.32 | 0.75 |
Phase thickness (μm) | 0.25 | 0.5 | |
Program | 35C(2min) => 40C/min => 60C(2min) => 6C/min => 180C => 10C/min => 230C(10 min) | 5 0C (0.5 min) -> (1 min) 60 0C (5 min) 4 0C/min -> 200 0C | not specified |
I | 922. | 944. | 916. |
Reference | Hinterholzer, Lemos, et al., 1998 | Beal and Mottram, 1994 | Whitfield, Shea, et al., 1981 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bianchi, Cantoni, et al., 2007
Bianchi, F.; Cantoni, C.; Careri, M.; Chiesa, L.; Musci, M.; Pinna, A.,
Characterization of the aromatic profile for the authentication and differentiation of typical Italian dry-sausages,
Talanta, 2007, 72, 4, 1552-1563, https://doi.org/10.1016/j.talanta.2007.02.019
. [all data]
Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M.,
Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness,
J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393
. [all data]
Frauendorfer and Schieberle, 2006
Frauendorfer, F.; Schieberle, P.,
Identification of the key aroma compounds in Cocoa powder based on molecular sensoly correlations,
J. Agr. Food Chem., 2006, 54, 15, 5521-5529, https://doi.org/10.1021/jf060728k
. [all data]
Ranau, Kleeberg, et al., 2005
Ranau, R.; Kleeberg, K.K.; Schlegelmilch, M.; Streese, J.; Stegmann, R.; Steinhart, H.,
Analytical determination of the suitability of different processes for the treatment of odorous waste gas,
Waste Management, 2005, 25, 9, 908-916, https://doi.org/10.1016/j.wasman.2005.07.004
. [all data]
Ranau and Steinhart, 2005
Ranau, R.; Steinhart, H.,
Identification and evaluation of volatile odor-active pollutants from different odor emission sources in the food industry,
Eur. Food Res. Technol., 2005, 220, 2, 226-231, https://doi.org/10.1007/s00217-004-1073-4
. [all data]
Alasalvar, Shahidi, et al., 2003
Alasalvar, C.; Shahidi, F.; Cadwallader, K.R.,
Comparison of natural and roasted Turkish Tombul hazelnut (Corylus avellana L.) volatiles and flavor by DHA/GC/MS and descriptive sensory analysis,
J. Agric. Food Chem., 2003, 51, 17, 5067-5072, https://doi.org/10.1021/jf0300846
. [all data]
Carrapiso, Ventanas, et al., 2002
Carrapiso, A.I.; Ventanas, J.; García, C.,
Characterization of the most odor-active compounds of Iberian ham headspace,
J. Agric. Food Chem., 2002, 50, 7, 1996-2000, https://doi.org/10.1021/jf011094e
. [all data]
Kirchhoff and Schieberle, 2002
Kirchhoff, E.; Schieberle, P.,
Quantitation of odor-active compounds in rye flour and rye sourdough using stable isotope dilution assays,
J. Agric. Food Chem., 2002, 50, 19, 5378-5385, https://doi.org/10.1021/jf020236h
. [all data]
Zehentbauer and Reineccius, 2002
Zehentbauer, G.; Reineccius, G.A.,
Determination of key aroma components of cheddar cheese using dynamic headspace dilution assay,
Flavour Fragr. J., 2002, 17, 4, 300-305, https://doi.org/10.1002/ffj.1102
. [all data]
Kirchhoff and Schieberle, 2001
Kirchhoff, E.; Schieberle, P.,
Determination of key aroma compounds in the crumb of a three-stage sourdough rye bread by stable isotope dilution assays and sensory studies,
J. Agric. Food Chem., 2001, 49, 9, 4304-4311, https://doi.org/10.1021/jf010376b
. [all data]
Radovic, Careri, et al., 2001
Radovic, B.S.; Careri, M.; Mangia, A.; Musci, M.; Gerboles, M.; Anklam, E.,
Analytical, nutritional, and clinical methods section. Contribution of dynamic headspace GC-MS analysis of aroma compounds to authenticity testing of honey,
Food Chem., 2001, 72, 4, 511-520, https://doi.org/10.1016/S0308-8146(00)00263-6
. [all data]
Fickert and Schieberle, 1998
Fickert, B.; Schieberle, P.,
Identification of the key odorants in barley malt (caramalt) using GC/MS techniques and odour dilution analyses,
Nahrung, 1998, 42, 6, 371-375, https://doi.org/10.1002/(SICI)1521-3803(199812)42:06<371::AID-FOOD371>3.0.CO;2-V
. [all data]
Hinterholzer, Lemos, et al., 1998
Hinterholzer, A.; Lemos, T.; Schieberle, P.,
Identification of the key odorants in raw French beans and changes during cooking,
Z. Lebensm. Unters. Forsch. A, 1998, 207, 3, 219-222, https://doi.org/10.1007/s002170050322
. [all data]
Beal and Mottram, 1994
Beal, A.D.; Mottram, D.S.,
Compounds contributing to the characteristic aroma of malted barley,
J. Agric. Food Chem., 1994, 42, 12, 2880-2884, https://doi.org/10.1021/jf00048a043
. [all data]
Whitfield, Shea, et al., 1981
Whitfield, F.B.; Shea, S.R.; Gillen, K.J.; Shaw, K.J.,
Volatile components from the roots of Acacia pulchella R.Br. and their effect on Phytophthora cinnamomi rands,
Aust. J. Bot., 1981, 29, 2, 195-208, https://doi.org/10.1071/BT9810195
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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