Butanoic acid, 2-methyl-
- Formula: C5H10O2
- Molecular weight: 102.1317
- IUPAC Standard InChIKey: WLAMNBDJUVNPJU-UHFFFAOYSA-N
- CAS Registry Number: 116-53-0
- 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) - Species with the same structure:
- Stereoisomers:
- Other names: Butyric acid, 2-methyl-; α-Methylbutyric acid; Active valeric acid; Ethylmethylacetic acid; Methylethylacetic acid; 2-Methylbutanoic acid; 2-Methylbutyric acid; 2-Methybutyric acid; (.+/-.)-2-Methylbutanoic acid; DL-2-Methylbutyric acid; NSC 7304; 600-07-7
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Normal alkane RI, non-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 | Siloxane, 5 % Ph | HP-5 MS | Polydimethyl siloxane, 5 % phenyl | HP-5 MS | DB-5 |
Column length (m) | 30. | 30. | 30. | ||
Carrier gas | Helium | Helium | Hydrogen | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.32 | ||
Phase thickness (μm) | 0.25 | 0.25 | 0.50 | ||
Program | not specified | 40 0C (10 min) 3 0C/min -> 200 0C 2 0C/min -> 220 0C | not specified | not specified | 40 0C (5 min) 4 0C/min -> 100 0C 6 0C/min -> 220 0C (20 min) |
I | 837. | 850. | 837. | 860. | 898. |
Reference | VOC BinBase, 2012 | Nance and Setzer, 2011 | Skogerson, Wohlgemuth, et al., 2011 | Pino, Marquez, et al., 2010 | San-Juan, Petka, et al., 2010 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | SE-54 | HP-5 | CP-Sil 5 Cb | HP-5 | DB-5 |
Column length (m) | 30. | 50. | 50. | 30. | 30. |
Carrier gas | Helium | Helium | Nitrogen | ||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 1.05 | 1.20 | 0.25 | 0.25 |
Program | 35 0C (2 min) 10 0C/min -> 50 0C (2 min) 6 0C/min -> 250 0C | not specified | 40 0C 20 0C/min -> 85 0C 1 0C/min -> 145 0C 3 0C/min -> 250 0C (30 min) | 40 0C (2 min) 5 0C/min -> 80 0C 7 oC/min -> 160 0C 9 0C/min -> 200 0C 20 0C/min -> 280 0C (10 min) | 40C(2min) => 40C/min => 60C(2min) => 6C/min => 180C => 15C/min => 230C(10min) |
I | 875. | 850. | 818. | 881. | 875. |
Reference | Christlbauer and Schieberle, 2009 | Pugliese, Sirtori, et al., 2009 | Collin, Nizet, et al., 2008 | Zhao, Li, et al., 2008 | Buettner, 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-5 | SE-54 | HP-5MS | SE-54 | SE-54 |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Program | 40C(1min) => 7C/min => 110C => 5C/min => 180C => 10C/min => 240C(10min) | 35C(2min) => 40C/min => 60C(2min) => 6C/min => 180C => 10C/min => 230C(10min) | 40C(3min) => 2C/min => 180C => 10C/min => 250C(5min) | 40C(2min) => 40C/min => 50C(2min) => 6C/min => 180C => 15C/min => 230C (10min) | 40C(2min) => 40C/min => 50C(2min) => 6C/min => 180C => 15C/min => 230C (10min) |
I | 878. | 875. | 894. | 875. | 875. |
Reference | Greger and Schieberle, 2007 | Lasekan, Buettner, et al., 2007 | Alissandrakis, Kibaris, et al., 2005 | Buettner, 2004 | Buettner, 2004 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | CP Sil 5 CB | HP-5 | DB-5 | SPB-5 | BPX-5 |
Column length (m) | 50. | 50. | 50. | 60. | 60. |
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 1.2 | 1.05 | 1.05 | 1. | 1. |
Program | 36C => 20C/min => 85C => 1C/min => 145C => 3C/min => 250C(30min) | 40C(10min) => 5C/min => 200C => 20C/min => 250C(5min) | 40C(10min) => 5C/min => 200C => 20C/min => 250C (5min) | not specified | 40C (4min) => 2C/min => 90C => 4C/min => 130C => 8C/min => 250 C (10min) |
I | 815. | 851. | 851. | 843. | 884. |
Reference | Counet, Ouwerx, et al., 2004 | Garcia-Estaban, Ansorena, et al., 2004 | Garcia-Estaban, Ansorena, et al., 2004, 2 | Begnaud, Pérès, et al., 2003 | Machiels, van Ruth, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-5MS | DB-5 | SPB-5 | DB-5 | DB-5 |
Column length (m) | 30. | 30. | 60. | 30. | 30. |
Carrier gas | Helium | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.53 | 0.25 | 0.20 | 0.20 |
Phase thickness (μm) | 1. | 1.5 | 0.25 | 1.0 | 1.0 |
Program | 50C => 3C/min => 160C => 6C/min => 250C => 25C/min => 325C | -5C(1min) => 4C/min => 50C => 6C/min => 120C => 8C/min => 250C(2min) | 50 0C (3 min) 4 0C/min -> 200 0C 8 0C/min -> 240 0C (5 min) | not specified | not specified |
I | 847. | 869. | 844. | 891. | 891. |
Reference | Young, Lane, et al., 2003 | Bücking and Steinhart, 2002 | Lee and Kim, 2002 | Rapior, Breheret, et al., 2002 | Rapior, Breheret, et al., 2002 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-5MS | HP-1 | HP-5 | CP Sil 5 CB | CP Sil 5 CB |
Column length (m) | 30. | 50. | 30. | 50. | 50. |
Carrier gas | He | N2 | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.52 | 0.25 | 1.2 | |
Program | 40C (10min) => 3C/min => 120C => 10C/min => 250C (5min) | 40C => 2C/min => 130C => 4C/min => 250C | 40C (10min) => 3C/min => 120C => 10C/min => 250C (5min) | 30C => 55C/min => 85C => 1C/min => 145C => 3C/min => 250C | 30C => 55C/min => 85C => 1C/min => 145C => 3C/min => 250C |
I | 881. | 830. | 858. | 819. | 818. |
Reference | Ansorena, Gimeno, et al., 2001 | Teai, Claude-Lafontaine, et al., 2001 | Ansorena, Astiasarán, et al., 2000 | Guyot, Scheirman, et al., 1999 | Guyot, Bouseta, et al., 1998 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-5 | DB-5 | SE-54 | DB-5 | DB-5 |
Column length (m) | 50. | 50. | 30. | 50. | 50. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.52 | 0.25 | 0.25 | 0.25 | 0.25 |
Program | 35 0C 10 0C/min -> 200 0C (20 min) 5 0C/min -> 230 0C (50 min) | 40C(10min) => 3C/min => 95C => 10C/min => 270C(10min) | 35C (2min) => 40C/min => 60C (2min) => 6C/min => 180C => 10C/min => 240C | 40C (10min) => 3C/min => 95C => 10C/min => 270C (10min) | 40C (10min) => 3C/min => 95C => 10C/min => 270C (10min) |
I | 839. | 861. | 873. | 860. | 860. |
Reference | Timón, Ventanas, et al., 1998 | Mateo, Aguirrezábal, et al., 1997 | Schermann and Schieberle, 1997 | Mateo and Zumalacárregui, 1996 | Mateo and Zumalacárregui, 1996 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | SE-54 |
Column length (m) | |
Carrier gas | |
Substrate | |
Column diameter (mm) | |
Phase thickness (μm) | |
Program | not specified |
I | 860. |
Reference | Blank, Sen, et al., 1992 |
Comment | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-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.
VOC BinBase, 2012
VOC BinBase,
The volatile compound BinBase (VOC BinBase), 2012, retrieved from http://fiehnlab.ucdavis.edu/projects/VocBinBase and http://binbase.sourceforge.net. [all data]
Nance and Setzer, 2011
Nance, M.R.; Setzer, W.N.,
Volatile components of aroma hops (Humulus lupulus L.) commonly used in beer brewing,
J. of Brewing and Distilling, 2011, 2, 2, 16-22. [all data]
Skogerson, Wohlgemuth, et al., 2011
Skogerson, K.; Wohlgemuth, G.; Fiehn, O.,
VocBinNase, 2011, retrieved from http://fiehnlab.ucdavis.edu/projects//VocBinBase. [all data]
Pino, Marquez, et al., 2010
Pino, J.A.; Marquez, E.; Quijano, C.E.; Castro, D.,
Volatile compounds in noni (Morinda citrifolia L.) at two ripening stages,
Ciencia e Technologia de Alimentos, 2010, 30, 1, 183-187, https://doi.org/10.1590/S0101-20612010000100028
. [all data]
San-Juan, Petka, et al., 2010
San-Juan, F.; Petka, J.; Cacho, J.; Ferreira, V.; Escudero, A.,
Producing headspace extracts for the gas chromatography - olphactometric evaluation of wine aroma,
Food Chemistry, 2010, 123, 1, 188-195, https://doi.org/10.1016/j.foodchem.2010.03.129
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Christlbauer and Schieberle, 2009
Christlbauer, M.; Schieberle, P.,
Characterization of the key aroma compounds in beef and pork vegetable gravies a la chef by application of the aroma extract dilution analysis,
J. Agric. Food Chem., 2009, 57, 19, 9114-9112, https://doi.org/10.1021/jf9023189
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Pugliese, Sirtori, et al., 2009
Pugliese, C.; Sirtori, F.; Ruiz, J.; Martin, D.; Parenti, S.; Franci, O.,
Effect of pasture on chestnut or acorn on fatty acid composition and aromatic profile of fat of China Senece dry-cured ham,
Gracas y Aceites, 2009, 60, 3, 271-276, https://doi.org/10.3989/gya.130208
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Collin, Nizet, et al., 2008
Collin, S.; Nizet, S.; Muls, S.; Iraqi, R.; Bouseta, A.,
Characterization of odor-active compounds in extracts obtained by simultaneous extraction/distillation from Moroccan black olives,
J. Agric. Food Chem., 2008, 56, 9, 3273-3278, https://doi.org/10.1021/jf073488x
. [all data]
Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G.,
EXtraction, preparation and identification of volatile compounds in Changyu XO brandy,
Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0
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Buettner, 2007
Buettner, A.,
A selective and sensitive approach to characterize odour-active and volatile constituents in small-scale human milk samples,
Flavour Fragr. J., 2007, 22, 6, 465-473, https://doi.org/10.1002/ffj.1822
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Greger and Schieberle, 2007
Greger, V.; Schieberle, P.,
Characterization of the Key Aroma Compounds in Apricots (Prunus armeniaca) by Application of the Molecular Sensory Science Concept,
J. Agric. Food Chem., 2007, 55, 13, 5221-5228, https://doi.org/10.1021/jf0705015
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Lasekan, Buettner, et al., 2007
Lasekan, O.; Buettner, A.; Christlbauer, M.,
Investigation of important odorants of palm wine (Elaeis guineensis),
Food Chem., 2007, 105, 1, 15-23, https://doi.org/10.1016/j.foodchem.2006.12.052
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Alissandrakis, Kibaris, et al., 2005
Alissandrakis, E.; Kibaris, A.C.; Tarantilis, P.A.; Harizanis, P.C.; Polissiou, M.,
Flavour compounds of Greek cotton honey,
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Buettner, 2004
Buettner, A.,
Investigation of potent odorants and afterodor development in two chardonnay wines using the Buccal Odor Screening System (BOSS),
J. Agric. Food Chem., 2004, 52, 8, 2339-2346, https://doi.org/10.1021/jf035322b
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Counet, Ouwerx, et al., 2004
Counet, C.; Ouwerx, C.; Rosoux, D.; Collin, S.,
Relationship between procyanidin and flavor contents of cocoa liquors from different origins,
J. Agric. Food Chem., 2004, 52, 20, 6243-6249, https://doi.org/10.1021/jf040105b
. [all data]
Garcia-Estaban, Ansorena, et al., 2004
Garcia-Estaban, M.; Ansorena, D.; Astiasaran, I.; Martin, D.; Ruiz, J.,
Comparison of simultaneous distillation extraction (SDE) and solid-phase microextraction (SPME) for the analysis of volatile compounds in dry-cured ham,
J. Sci. Food Agric., 2004, 84, 11, 1364-1370, https://doi.org/10.1002/jsfa.1826
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Garcia-Estaban, Ansorena, et al., 2004, 2
Garcia-Estaban, M.; Ansorena, D.; Astiasarán, I.; Ruiz, J.,
Study of the effect of different fiber coatings and extraction conditions on dry cured ham volatile compounds extracted by solid-phase microextraction (SPME),
Talanta, 2004, 64, 2, 458-466, https://doi.org/10.1016/j.talanta.2004.03.007
. [all data]
Begnaud, Pérès, et al., 2003
Begnaud, F.; Pérès, C.; Berdagué, J.-L.,
Characterization of volatile effluents of livestock buildings by solid-phase microextraction,
Int. J. Environ. Anal. Chem., 2003, 83, 10, 837-849, https://doi.org/10.1080/03067310310001603349
. [all data]
Machiels, van Ruth, et al., 2003
Machiels, D.; van Ruth, S.M.; Posthumus, M.A.; Istasse, L.,
Gas chromatography-olfactometry analysis of the volatile compounds of two commercial Irish beef meats,
Talanta, 2003, 60, 4, 755-764, https://doi.org/10.1016/S0039-9140(03)00133-4
. [all data]
Young, Lane, et al., 2003
Young, O.A.; Lane, G.A.; Priolo, A.; Fraser, K.,
Pastoral and species flavour in lambs raised on pasture, lucerne or maize,
J. Sci. Food Agric., 2003, 83, 2, 93-104, https://doi.org/10.1002/jsfa.1282
. [all data]
Bücking and Steinhart, 2002
Bücking, M.; Steinhart, H.,
Headspace GC and sensory analysis characterization of the influence of different milk additives on the flavor release of coffee beverages,
J. Agric. Food Chem., 2002, 50, 6, 1529-1534, https://doi.org/10.1021/jf011117p
. [all data]
Lee and Kim, 2002
Lee, D.-S.; Kim, N.-S.,
Identification of fragrances from chestnut blossom by gas chromatography-ion trap mass spectrometry,
Bull. Korean Chem. Soc., 2002, 23, 11, 1647-1650, https://doi.org/10.5012/bkcs.2002.23.11.1647
. [all data]
Rapior, Breheret, et al., 2002
Rapior, S.; Breheret, S.; Talou T.; Pelissier, Y.; Bessiere, J.-M.,
The anise-like odor of Clitocybe odora, Lentinellus cochleatus and Agaricus essettei,
Mycologia, 2002, 94, 3, 373-376, https://doi.org/10.2307/3761770
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Ansorena, Gimeno, et al., 2001
Ansorena, D.; Gimeno, O.; Astiasarán, I.; Bello, J.,
Analysis of volatile compounds by GC-MS of a dry fermented sausage: chorizo de Pamplona,
Food Res. Int., 2001, 34, 1, 67-75, https://doi.org/10.1016/S0963-9969(00)00133-2
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Teai, Claude-Lafontaine, et al., 2001
Teai, T.; Claude-Lafontaine, A.; Schippa, C.; Cozzolino, F.,
Volatile compounds in fresh pulp of pineapple (Ananas comosus [L.] Merr.) from French Polynesia,
J. Essent. Oil Res., 2001, 13, 5, 314-318, https://doi.org/10.1080/10412905.2001.9712222
. [all data]
Ansorena, Astiasarán, et al., 2000
Ansorena, D.; Astiasarán, I.; Bello, J.,
Influence of the simultaneous addition of the protease flavourzyme and the lipase novozyme 677BG on dry fermented sausage compounds extracted by SDE and analyzed by GC-MS,
J. Agric. Food Chem., 2000, 48, 6, 2395-2400, https://doi.org/10.1021/jf990931y
. [all data]
Guyot, Scheirman, et al., 1999
Guyot, C.; Scheirman, V.; Collin, S.,
Floral origin markers of heather honeys: Calluna vulgaris and Erica arborea,
Food Chem., 1999, 64, 1, 3-11, https://doi.org/10.1016/S0308-8146(98)00122-8
. [all data]
Guyot, Bouseta, et al., 1998
Guyot, C.; Bouseta, A.; Scheirman, V.; Collin, S.,
Floral origin markers of chestnut and lime tree honeys,
J. Agric. Food Chem., 1998, 46, 2, 625-633, https://doi.org/10.1021/jf970510l
. [all data]
Timón, Ventanas, et al., 1998
Timón, M.L.; Ventanas, J.; Martín, L.; Tejeda, J.F.; García, C.,
Volatile compounds in supercritical carbon dioxide extracts of Iberian ham,
J. Agric. Food Chem., 1998, 46, 12, 5143-5150, https://doi.org/10.1021/jf980652v
. [all data]
Mateo, Aguirrezábal, et al., 1997
Mateo, J.; Aguirrezábal, M.; Domínguez, C.; Zumalacárregui, J.M.,
Volatile compounds in Spanish paprika,
J. Food Comp. Anal., 1997, 10, 3, 225-232, https://doi.org/10.1006/jfca.1997.0535
. [all data]
Schermann and Schieberle, 1997
Schermann, P.; Schieberle, P.,
Evaluation of key odorants in milk chocolate and cocoa mass by aroma extract dilution analyses,
J. Agric. Food Chem., 1997, 45, 3, 867-872, https://doi.org/10.1021/jf960670h
. [all data]
Mateo and Zumalacárregui, 1996
Mateo, J.; Zumalacárregui, J.M.,
Volatile compounds in chorizo and their changes during ripening,
Meat Sci., 1996, 44, 4, 255-273, https://doi.org/10.1016/S0309-1740(96)00028-9
. [all data]
Blank, Sen, et al., 1992
Blank, I.; Sen, A.; Grosch, W.,
Potent odorants of the roasted powder and brew of Arabica coffee,
Z. Lebensm. Unters Forsch., 1992, 195, 3, 239-245, https://doi.org/10.1007/BF01202802
. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
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