2,3,5-Trimethyl-6-ethylpyrazine
- Formula: C9H14N2
- Molecular weight: 150.2209
- IUPAC Standard InChI: InChI=1S/C9H14N2/c1-5-9-8(4)10-6(2)7(3)11-9/h5H2,1-4H3
- IUPAC Standard InChIKey: FPOLJKZKOKXIFE-UHFFFAOYSA-N
- CAS Registry Number: 17398-16-2
- 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. - Other names: 2-Ethyl-3,5,6-trimethylpyrazine; 6-Ethyl-2,3,5-trimethylpyrazine; Pyrazine, ethyltrimethyl
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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 |
|---|---|---|---|
| Active phase | BPX-5 | DB-1 | BPX-5 |
| Column length (m) | 50. | 60. | 50. |
| Carrier gas | He | N2 | He |
| Substrate | |||
| Column diameter (mm) | 0.32 | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 1. | 0.50 |
| Tstart (C) | 60. | 30. | 40. |
| Tend (C) | 250. | 200. | 280. |
| Heat rate (K/min) | 4. | 5. | 4. |
| Initial hold (min) | 5. | ||
| Final hold (min) | 10. | 30. | |
| I | 1169. | 1127. | 1173. |
| Reference | Ames, Guy, et al., 2001 | Wu, Wang, et al., 2000 | Aaslyng, Elmore, et al., 1998 |
| Comment | MSDC-RI | 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.
Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J.,
Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems,
J. Agric. Food Chem., 2001, 49, 9, 4315-4323, https://doi.org/10.1021/jf010198m
. [all data]
Wu, Wang, et al., 2000
Wu, C.-M.; Wang, Z.; Wu, Q.H.,
Volatile compounds produced from monosodium glutamate in common food cooking,
J. Agric. Food Chem., 2000, 48, 6, 2438-2442, https://doi.org/10.1021/jf9907743
. [all data]
Aaslyng, Elmore, et al., 1998
Aaslyng, M.D.; Elmore, J.S.; Mottram, D.S.,
Comparison of the aroma characteristics of acid-hydrolyzed and enzyme-hydrolyzed vegetable proteins produced from soy,
J. Agric. Food Chem., 1998, 46, 12, 5225-5231, https://doi.org/10.1021/jf9806816
. [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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