Butanoic acid, 2-methyl-, methyl ester
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChIKey: OCWLYWIFNDCWRZ-UHFFFAOYSA-N
- CAS Registry Number: 868-57-5
- 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:
- Isotopologues:
- Other names: Butyric acid, 2-methyl-, methyl ester; Methyl α-methylbutanoate; Methyl α-methylbutyrate; Methyl 2-methylbutanoate; Methyl 2-methylbutyrate; 2-Methylbutanoic acid, methyl ester; dl-2-Methylbutyric acid methyl ester; Methyl ester of 2-methyl-butanoic acid; 2-Methylbutyric acid, methyl ester; Butyric acid, α-methyl-, methyl ester; 53955-81-0; 2-methyl(methyl butanoate)
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Van Den Dool and Kratz RI, non-polar column, temperature ramp
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 | DB-5 | DB-5 | DB-5 | HP-5MS | DB-5 |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.24 | 0.25 | 1. | 0.25 | 0.25 |
Tstart (C) | 40. | 40. | 50. | 60. | 40. |
Tend (C) | 240. | 250. | 290. | 250. | 250. |
Heat rate (K/min) | 6. | 5. | 10. | 4. | 5. |
Initial hold (min) | 2. | 2. | 1. | 2. | 2. |
Final hold (min) | 10. | 5. | 10. | 20. | 5. |
I | 770. | 771. | 731. | 780. | 771. |
Reference | Scheidig, Czerny, et al., 2007 | Wu, Zorn, et al., 2007 | Bylaite and Meyer, 2006 | Pino, Mesa, et al., 2005 | Wu, Zorn, et al., 2005 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | CP Sil 5 CB | CP Sil 8 CB | CP Sil 5 CB | DB-5 | DB-1 |
Column length (m) | 60. | 60. | 50. | 30. | 60. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.32 | 0.053 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.4 | 1.5 | 1. |
Tstart (C) | 60. | 40. | 60. | 0. | -50. |
Tend (C) | 280. | 250. | 280. | 230. | 175. |
Heat rate (K/min) | 3. | 4. | 3. | 6. | 6. |
Initial hold (min) | 10. | 8. | 10. | 2. | |
Final hold (min) | 60. | 10. | 60. | ||
I | 754. | 779. | 754. | 777. | 760.0 |
Reference | Pino, Almora, et al., 2003 | Oruna-Concha, Ames, et al., 2002 | Pino and Marbot, 2001 | Rychlik and Bosset, 2001 | Helmig, Klinger, et al., 1999 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Packed |
---|---|---|
Active phase | DB-1 | SE-30 |
Column length (m) | 50. | |
Carrier gas | He | |
Substrate | Celite | |
Column diameter (mm) | 0.32 | |
Phase thickness (μm) | 1.05 | |
Tstart (C) | 40. | 75. |
Tend (C) | 260. | 228. |
Heat rate (K/min) | 2. | |
Initial hold (min) | ||
Final hold (min) | 40. | |
I | 778. | 758. |
Reference | Wu, Kuo, et al., 1991 | van den Dool and Kratz, 1963 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Scheidig, Czerny, et al., 2007
Scheidig, C.; Czerny, M.; Schieberle, P.,
Changes in Key Odorants of Raw Coffee Beans during Storage under Defined Conditions,
J. Agric. Food Chem., 2007, 55, 14, 5768-5775, https://doi.org/10.1021/jf070488o
. [all data]
Wu, Zorn, et al., 2007
Wu, S.; Zorn, H.; Krings, U.; Berger, R.G.,
Volatiles from submerged and surface-cultured beefsteak fungus, Fistulina hepatica,
Flavour Fragr. J., 2007, 22, 1, 53-60, https://doi.org/10.1002/ffj.1758
. [all data]
Bylaite and Meyer, 2006
Bylaite, E.; Meyer, A.S.,
· Characterisation of volatile aroma compounds of orange juices by three dynamic and static headspace gas chromatography techniques,
Eur. Food Res. Technol., 2006, 222, 1-2, 176-184, https://doi.org/10.1007/s00217-005-0141-8
. [all data]
Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R.,
Volatile components from mango (Mangifera indica L.) cultivars,
J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633
. [all data]
Wu, Zorn, et al., 2005
Wu, S.; Zorn, H.; Krings, U.; Berger, R.G.,
Characteristic Volatiles from Young and Aged Fruiting Bodies of Wild Polyporus sulfureus (Bull.:Fr.) Fr.,
J. Agric. Food Chem., 2005, 53, 11, 4524-4528, https://doi.org/10.1021/jf0478511
. [all data]
Pino, Almora, et al., 2003
Pino, J.; Almora, K.; Marbot, R.,
Volatile components of papaya (Carica papaya L., maradol variety) fruit,
Flavour Fragr. J., 2003, 18, 6, 492-496, https://doi.org/10.1002/ffj.1248
. [all data]
Oruna-Concha, Ames, et al., 2002
Oruna-Concha, M.J.; Ames, J.M.; Bakker, J.,
Comparison of the volatile components of eight cultivars of potato after microwave baking,
Lebensm. Wiss. Technol., 2002, 35, 1, 80-86, https://doi.org/10.1006/fstl.2001.0819
. [all data]
Pino and Marbot, 2001
Pino, J.A.; Marbot, R.,
Volatile flavor constituents of acerola (Malpighia emarginata DC.) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5880-5882, https://doi.org/10.1021/jf010270g
. [all data]
Rychlik and Bosset, 2001
Rychlik, M.; Bosset, J.O.,
Flavour and off-flavour compoundsof SwissGruy ere cheese. Evaluation of potent odorants,
Int. Dairy J., 2001, 11, 11-12, 895-901, https://doi.org/10.1016/S0958-6946(01)00108-X
. [all data]
Helmig, Klinger, et al., 1999
Helmig, D.; Klinger, L.F.; Guenther, A.; Vierling, L.; Geron, C.; Zimmerman, P.,
Biogenic volatile organic compound emissions (BVOCs). I. Identifications from three continental sites in the U.S.,
Chemosphere, 1999, 38, 9, 2163-2187, https://doi.org/10.1016/S0045-6535(98)00425-1
. [all data]
Wu, Kuo, et al., 1991
Wu, P.; Kuo, M.-C.; Hartman, T.G.; Rosen, R.T.; Ho, C.-T.,
Free and glycosidically bound aroma compounds in pineapple (Ananas comosus L. Merr.),
J. Agric. Food Chem., 1991, 39, 1, 170-172, https://doi.org/10.1021/jf00001a033
. [all data]
van den Dool and Kratz, 1963
van den Dool, H.; Kratz, P. Dec.,
A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography,
J. Chromatogr., 1963, 11, 463-471, https://doi.org/10.1016/S0021-9673(01)80947-X
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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