2-Acetyl-3-ethylpyrazine
- Formula: C8H10N2O
- Molecular weight: 150.1778
- IUPAC Standard InChI: InChI=1S/C8H10N2O/c1-3-7-8(6(2)11)10-5-4-9-7/h4-5H,3H2,1-2H3
- IUPAC Standard InChIKey: PPJSYGVFDJEMRP-UHFFFAOYSA-N
- CAS Registry Number: 32974-92-8
- 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: Ethanone, 1-(3-ethylpyrazinyl)-; 1-(3-Ethyl-2-pyrazinyl)ethanone; 2-Ethyl-3-acetyl pyrazine; 3-Ethyl-2-acetylpyrazine; Pyrazine, 2-acetyl-3-ethyl; 1-(3-ethylpyrazinyl)ethan-1-one
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- Other data available:
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Normal alkane RI, non-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 | Ultra-1 | HP-5 | SLB-5MS | OV-101 | OV-101 |
| Column length (m) | 50. | 50. | 10. | 50. | 50. |
| Carrier gas | Helium | Helium | Helium | N2 | N2 |
| Substrate | |||||
| Column diameter (mm) | 0.20 | 0.20 | 0.18 | 0.22 | 0.22 |
| Phase thickness (μm) | 0.33 | 0.33 | 0.18 | ||
| Tstart (C) | 50. | 50. | 40. | 80. | 80. |
| Tend (C) | 280. | 280. | 295. | 200. | 200. |
| Heat rate (K/min) | 2. | 10. | 10. | 2. | 2. |
| Initial hold (min) | 1.5 | ||||
| Final hold (min) | 20. | 8.5 | |||
| I | 1142. | 1168. | 1172. | 1138. | 1138. |
| Reference | Du, Clery, et al., 2008 | Du, Clery, et al., 2008 | Risticevic, Carasek, et al., 2008 | Mihara and Masuda, 1987 | Mihara and Enomoto, 1985 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | 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.
Du, Clery, et al., 2008
Du, Z.; Clery, R.; Hammond, C.J.,
Volatile organic nitrogen-containing constituents in ambrette seed Abelmoschus moschatus Medik (Malvaceae),
J. Agric. Food Chem., 2008, 56, 16, 7388-7392, https://doi.org/10.1021/jf800958d
. [all data]
Risticevic, Carasek, et al., 2008
Risticevic, S.; Carasek, E.; Pawliszyn, J.,
Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee,
Anal. Chim. Acta, 2008, 617, 1-2, 72-84, https://doi.org/10.1016/j.aca.2008.04.009
. [all data]
Mihara and Masuda, 1987
Mihara, S.; Masuda, H.,
Correlation between molecular structures and retention indices of pyrazines,
J. Chromatogr., 1987, 402, 309-317, https://doi.org/10.1016/0021-9673(87)80029-8
. [all data]
Mihara and Enomoto, 1985
Mihara, S.; Enomoto, N.,
Calculation of retention indices of pyrazines on the basis of molecular structure,
J. Chromatogr., 1985, 324, 428-430, https://doi.org/10.1016/S0021-9673(01)81342-X
. [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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