Pyrazine, ethyl-
- Formula: C6H8N2
- Molecular weight: 108.1411
- IUPAC Standard InChI: InChI=1S/C6H8N2/c1-2-6-5-7-3-4-8-6/h3-5H,2H2,1H3
- IUPAC Standard InChIKey: KVFIJIWMDBAGDP-UHFFFAOYSA-N
- CAS Registry Number: 13925-00-3
- 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: Ethylpyrazine; 2-Ethylpyrazine
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Kovats' RI, 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 |
|---|---|---|
| Active phase | DB-Wax | DB-Wax |
| Column length (m) | 60. | 60. |
| Carrier gas | He | He |
| Substrate | ||
| Column diameter (mm) | 0.25 | 0.25 |
| Phase thickness (μm) | ||
| Tstart (C) | 60. | 40. |
| Tend (C) | 180. | 190. |
| Heat rate (K/min) | 4. | 3. |
| Initial hold (min) | 4. | 6. |
| Final hold (min) | 30. | |
| I | 1323. | 1343. |
| Reference | Yeo and Shibamoto, 1991 | Shimoda and Shibamoto, 1990 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' 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.
Yeo and Shibamoto, 1991
Yeo, H.C.H.; Shibamoto, T.,
Microwave-induced volatiles of the Maillard model system under different pH conditions,
J. Agric. Food Chem., 1991, 39, 2, 370-373, https://doi.org/10.1021/jf00002a029
. [all data]
Shimoda and Shibamoto, 1990
Shimoda, M.; Shibamoto, T.,
Isolation and identification of headspace volatiles from brewed coffee with an on-column GC/MS method,
J. Agric. Food Chem., 1990, 38, 3, 802-804, https://doi.org/10.1021/jf00093a045
. [all data]
Notes
Go To: Top, Kovats' 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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