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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- Information on this page:
- Other data available:
- Options:
Normal alkane RI, non-polar column, custom temperature program
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 | SLB-5MS | OV-1 | HP-5 | HP-5 |
| Column length (m) | 30. | 10. | 15. | 30. | 30. |
| Carrier gas | Helium | He | He | He | |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.18 | 0.317 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.18 | 0.25 | 0.25 | |
| Program | 40 0C (5 min) 5 0C/min -> 260 0C 15 0C/min -> 280 0C (1 min) | not specified | 50C(4min) => 4C/min => 90C => 10C/min => 300C(10min) | 50 C(1min) => 20C/min => 80C => 25C/min => 250C (3 min) | 50 C(1min) => 20C/min => 80C => 25C/min => 250C (3 min) |
| I | 1158. | 1158. | 1135. | 1167. | 1170. |
| Reference | Yu and Zhang, 2010 | Risticevic, Carasek, et al., 2008 | El-Shazly and Hussein, 2004 | Hartmann, 2003 | Hartmann, 2003 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. |
| Column length (m) | 50. |
| Carrier gas | Hydrogen |
| Substrate | |
| Column diameter (mm) | 0.32 |
| Phase thickness (μm) | |
| Program | not specified |
| I | 1138. |
| Reference | Waggott and Davies, 1984 |
| Comment | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Yu and Zhang, 2010
Yu, A.-N.; Zhang, A.-D.,
The effect of pH on the total formation of aroma compounds produced by hearting a model system containing L-ascorbic acid with L-threonine/L-serine,
Food Chem., 2010, 119, 1, 214-219, https://doi.org/10.1016/j.foodchem.2009.06.026
. [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]
El-Shazly and Hussein, 2004
El-Shazly, A.M.; Hussein, K.T.,
Chemical analysis and biological activities of the essential oil of Teucrium leucocladum Boiss. (Lamiaceae),
Biochem. Syst. Ecol., 2004, 32, 7, 665-674, https://doi.org/10.1016/j.bse.2003.12.009
. [all data]
Hartmann, 2003
Hartmann, P.J.,
The effect of wine matrix ingredients on 3-alkyl-2-methoxypyrazines measurements by headspace solid-phase microextraction (HS-SPME), Master's Thesis, Virginia Tech., Blacksburg, Va., 2003, 30. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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