2-Butenal, 3-methyl-
- Formula: C5H8O
- Molecular weight: 84.1164
- IUPAC Standard InChI: InChI=1S/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3
- IUPAC Standard InChIKey: SEPQTYODOKLVSB-UHFFFAOYSA-N
- CAS Registry Number: 107-86-8
- 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) - Other names: Crotonaldehyde, 3-methyl-; β-Methylcrotonaldehyde; β,β-Dimethylacrolein; Prenal; Senecialdehyde; Senecioaldehyde; 3-Methyl-2-butenal; 3-Methylcrotonaldehyde; 3,3-Dimethylacrolein; 3-Methylbut-2-enal; 3-Methyl-2-butenaldehyde; NSC 149164; β,β-Dimethylacrylic aldehyde; 3-methyl-2-butenal (prenal)
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Normal alkane 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 MS | HP-5 MS | HP-5 MS | HP-5 MS | HP-5 MS |
| Column length (m) | 25. | 30. | 30. | 30. | 30. |
| Carrier gas | Helium | Helium | Helium | Helium | Helium |
| Substrate | |||||
| Column diameter (mm) | 0.20 | 0.25 | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.33 | 0.25 | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 40. | 70. | 70. | 35. | 50. |
| Tend (C) | 250. | 290. | 290. | 195. | 230. |
| Heat rate (K/min) | 10. | 5. | 5. | 2. | 4. |
| Initial hold (min) | 1. | 5. | 4. | ||
| Final hold (min) | 10. | 10. | 30. | 10. | |
| I | 791. | 781. | 790. | 782. | 790. |
| Reference | Majcher, Lawrowski, et al., 2010 | Radulovic, Blagojevic, et al., 2010 | Radulovic, Dordevic, et al., 2010 | Kim and Chung, 2009 | Forero, Quijano, et al., 2008 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | DB-5 | Ultra-2 |
| Column length (m) | 30. | 50. |
| Carrier gas | H2 | He |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.52 |
| Tstart (C) | 60. | 40. |
| Tend (C) | 280. | 250. |
| Heat rate (K/min) | 4. | 4. |
| Initial hold (min) | 10. | 3. |
| Final hold (min) | 40. | 30. |
| I | 781. | 753. |
| Reference | Pino, Marbot, et al., 2003 | King, Hamilton, et al., 1993 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Majcher, Lawrowski, et al., 2010
Majcher, M.; Lawrowski, P.; Jelen, H.,
Comparison of original and adulterated oscypek cheese based on volatile and sensory profiles,
Acta Sci. Pol. Technol. Aliment., 2010, 9, 3, 265-275. [all data]
Radulovic, Blagojevic, et al., 2010
Radulovic, N.; Blagojevic, P.; Palic, R.,
Comparative study of the leaf volatiles of Arctostaphylos uva-ursi (L.) Spreng. and Vaccinium vitis-idaea L. (Ericaceae),
Molecules, 2010, 15, 9, 6168-6185, https://doi.org/10.3390/molecules15096168
. [all data]
Radulovic, Dordevic, et al., 2010
Radulovic, N.; Dordevic, N.; Markovic, M.; Palic, R.,
Volatile constituents of Glechoma Hirsuta Waldst. Kit. and G. Hederacea L. (Lamiaceae),
Bull. Chem. Soc. Ethiop., 2010, 24, 1, 67-76, https://doi.org/10.4314/bcse.v24i1.52962
. [all data]
Kim and Chung, 2009
Kim, J.-S.; Chung, H.Y.,
GC-MS analysis of the volatile components in dried boxthorn (Lycium chimensis) Fruit,
J. Korean Soc. Appl. Biol. Chem., 2009, 52, 5, 516-524, https://doi.org/10.3839/jksabc.2009.088
. [all data]
Forero, Quijano, et al., 2008
Forero, M.D.; Quijano, C.E.; Pino, J.A.,
Volatile compounds of Chile pepper (Capsicum annuum L. var. glabriusculum) at two ripening stages,
Flavour Fragr. J., 2008, 24, 1, 25-30, https://doi.org/10.1002/ffj.1913
. [all data]
Pino, Marbot, et al., 2003
Pino, J.A.; Marbot, R.; Fuentes, V.,
Characterization of volatiles in Bullock's heart (Annona reticulata L.) fruit cultivars from Cuba,
J. Agric. Food Chem., 2003, 51, 13, 3836-3839, https://doi.org/10.1021/jf020733y
. [all data]
King, Hamilton, et al., 1993
King, M.-F.; Hamilton, B.L.; Matthews, M.A.; Rule, D.C.; Field, R.A.,
Isolation and identification of volatiles and condensable material in raw beef with supercritical carbon dioxide extraction,
J. Agric. Food Chem., 1993, 41, 11, 1974-1981, https://doi.org/10.1021/jf00035a030
. [all data]
Notes
Go To: Top, Normal alkane 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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