2-Butenal, 2-methyl-
- Formula: C5H8O
- Molecular weight: 84.1164
- IUPAC Standard InChIKey: ACWQBUSCFPJUPN-UHFFFAOYSA-N
- CAS Registry Number: 1115-11-3
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Crotonaldehyde, 2-methyl-; 2-Methyl-2-butenal; 2-Methylcrotonaldehyde; 2,3-Dimethylacrolein; 2-Methylbut-2-enal
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Van Den Dool and Kratz RI, polar column, temperature ramp
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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
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | FFAP | AT-Wax | PEG-20M | DB-Wax | DB-Wax |
Column length (m) | 30. | 60. | 60. | 60. | 60. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Tstart (C) | 40. | 65. | 50. | 50. | 50. |
Tend (C) | 220. | 250. | 230. | 230. | 230. |
Heat rate (K/min) | 5. | 2. | 2. | 3. | 2. |
Initial hold (min) | 3. | 10. | |||
Final hold (min) | 60. | 60. | 60. | ||
I | 1097. | 1093. | 1095. | 1104. | 1095. |
Reference | Calvo-Gómez, Morales-López, et al., 2004 | Pino and Marbot, 2001 | Shimoda, Nakada, et al., 1997 | Shimoda, Peralta, et al., 1996 | Shimoda, Shiratsuchi, et al., 1996 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary |
---|---|---|
Active phase | DB-Wax | CP-Wax 52CB |
Column length (m) | 60. | 50. |
Carrier gas | H2 | |
Substrate | ||
Column diameter (mm) | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 |
Tstart (C) | 50. | 40. |
Tend (C) | 230. | 200. |
Heat rate (K/min) | 2. | 1.5 |
Initial hold (min) | 4. | 10. |
Final hold (min) | 30. | 60. |
I | 1093. | 1063. |
Reference | Shiratsuchi, Shimoda, et al., 1993 | Yu, Wu, et al., 1993 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, 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.
Calvo-Gómez, Morales-López, et al., 2004
Calvo-Gómez, O.; Morales-López, J.; López, M.G.,
Solid-phase microextraction-gas chromatographic-mass spectrometric analysis of garlic oil obtained by hydrodistillation,
J. Chromatogr. A, 2004, 1036, 1, 91-93, https://doi.org/10.1016/j.chroma.2004.02.072
. [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]
Shimoda, Nakada, et al., 1997
Shimoda, M.; Nakada, Y.; Nakashima, M.; Osajima, Y.,
Quantitative comparison of volatile flavor compounds in deep-roasted and light-roasted sesame seed oil,
J. Agric. Food Chem., 1997, 45, 8, 3193-3196, https://doi.org/10.1021/jf970172o
. [all data]
Shimoda, Peralta, et al., 1996
Shimoda, M.; Peralta, R.R.; Osajima, Y.,
Headspace gas analysis of fish sauce,
J. Agric. Food Chem., 1996, 44, 11, 3601-3605, https://doi.org/10.1021/jf960345u
. [all data]
Shimoda, Shiratsuchi, et al., 1996
Shimoda, M.; Shiratsuchi, H.; Nakada, Y.; Wu, Y.; Osajima, Y.,
Identification and sensory characterization of volatile flavor compounds in sesame seed oil,
J. Agric. Food Chem., 1996, 44, 12, 3909-3912, https://doi.org/10.1021/jf960115f
. [all data]
Shiratsuchi, Shimoda, et al., 1993
Shiratsuchi, H.; Shimoda, M.; Minegishi, Y.; Osajima, Y.,
Isolation and identification of volatile flavor compounds in nonfermented coarse-cut sausage. Flavor as a quality factor of nonfermented sausage. 1,
J. Agric. Food Chem., 1993, 41, 4, 647-652, https://doi.org/10.1021/jf00028a027
. [all data]
Yu, Wu, et al., 1993
Yu, T.-H.; Wu, C.-M.; Ho, C.-T.,
Volatile compounds of deep-oil fried, microwave-heated, and oven-baked garlic slices,
J. Agric. Food Chem., 1993, 41, 5, 800-805, https://doi.org/10.1021/jf00029a023
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, 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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