2,5-Dimethyl-3-n-pentylpyrazine
- Formula: C11H18N2
- Molecular weight: 178.2740
- IUPAC Standard InChI: InChI=1S/C11H18N2/c1-4-5-6-7-11-10(3)12-8-9(2)13-11/h8H,4-7H2,1-3H3
- IUPAC Standard InChIKey: VJNUCPVMBFFSSP-UHFFFAOYSA-N
- CAS Registry Number: 56617-69-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 2,5-dimethyl-3-pentylpyrazine
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Gas Chromatography
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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-1 | 1291. | Huang, Bruechert, et al., 1987 | 60. m/0.25 mm/0.25 μm, He, 35. C @ 10. min, 2. K/min, 235. C @ 40. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 1357. | Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 50C(2min) => 2C/min => 140C => 10C/min => 280C (10min) |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1680. | Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007 | 30. m/0.25 mm/0.25 μm, He, 4. K/min, 230. C @ 15. min; Tstart: 50. C |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Huang, Bruechert, et al., 1987
Huang, T.-C.; Bruechert, L.J.; Hartman, T.G.; Rosen, R.T.; Ho, C.-T.,
Effect of lipids and carbohydrates on thermal generation of volatiles from commercial zein,
J. Agric. Food Chem., 1987, 35, 6, 985-990, https://doi.org/10.1021/jf00078a030
. [all data]
Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007
Characterization of Pyrazines in Some Chinese Liquors; Their Approximate Concentrations,
W. Fan; Y. Xu; Y. Zhang,
J. Agric. Food Chem., 2007, 55, 9956-9962. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.