Pyrazine, ethenyl-
- Formula: C6H6N2
- Molecular weight: 106.1252
- IUPAC Standard InChI: InChI=1S/C6H6N2/c1-2-6-5-7-3-4-8-6/h2-5H,1H2
- IUPAC Standard InChIKey: KANZWHBYRHQMKZ-UHFFFAOYSA-N
- CAS Registry Number: 4177-16-6
- 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: Pyrazine, vinyl-; Vinylpyrazine; 2-Vinylpyrazine; Ethenylpyrazine
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- Other data available:
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Van Den Dool and Kratz RI, non-polar column, custom temperature program
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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 | CP Sil 8 CB | CP-Sil8 | DB-5 | BPX-5 | DB-5 |
| Column length (m) | 60. | 60. | 50. | 50. | 30. |
| Carrier gas | He | He | He | He | He |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.32 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.5 | 0.5 | 1.0 |
| Program | 40C(2min) => 4C/min => 200C => 10C/min => 250C(15min) | 40C(2min) => 4C/min => 200C => 10C/min => 250C (15min) | oC(5min) => 60C/min => 60C (5min) => 4C/min => 250C | OC (5min) => 60C/min => 60C(5min) => 4C/min => 250C | 5 0C (0.5 min) -> (1 min) 60 0C (5 min) 4 0C/min -> 250 0C |
| I | 946. | 946. | 947. | 947. | 926. |
| Reference | Martin and Ames, 2001 | Martin and Ames, 2001, 2 | Parker, Hassell, et al., 2000 | Bredie, Mottram, et al., 1998 | Beal and Mottram, 1994 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Martin and Ames, 2001
Martin, F.L.; Ames, J.M.,
Formation of Strecker aldehydes and pyrazines in a fried potato model system,
J. Agric. Food Chem., 2001, 49, 8, 3885-3892, https://doi.org/10.1021/jf010310g
. [all data]
Martin and Ames, 2001, 2
Martin, F.L.; Ames, J.M.,
Comparison of flavor compounds of potato chips fried in palmolein and silicone fluid,
J. Amer. Oil Chem. Soc., 2001, 78, 8, 863-866, https://doi.org/10.1007/s11746-001-0356-2
. [all data]
Parker, Hassell, et al., 2000
Parker, J.K.; Hassell, G.M.E.; Mottram, D.S.; Guy, R.C.E.,
Sensory and instrumental analyses of volatiles generated during the extrusion cooking of oat flours,
J. Agric. Food Chem., 2000, 48, 8, 3497-3506, https://doi.org/10.1021/jf991302r
. [all data]
Bredie, Mottram, et al., 1998
Bredie, W.L.P.; Mottram, D.S.; Guy, R.C.E.,
Aroma volatiles generated during extrusion cooking of maize flour,
J. Agric. Food Chem., 1998, 46, 4, 1479-1487, https://doi.org/10.1021/jf9708857
. [all data]
Beal and Mottram, 1994
Beal, A.D.; Mottram, D.S.,
Compounds contributing to the characteristic aroma of malted barley,
J. Agric. Food Chem., 1994, 42, 12, 2880-2884, https://doi.org/10.1021/jf00048a043
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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