2,5-Diethyl-3-methylpyrazine
- Formula: C9H14N2
- Molecular weight: 150.2209
- IUPAC Standard InChI: InChI=1S/C9H14N2/c1-4-8-6-10-9(5-2)7(3)11-8/h6H,4-5H2,1-3H3
- IUPAC Standard InChIKey: RJIREWQSLPRZFG-UHFFFAOYSA-N
- 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: 3,6-diethyl-2-methylpyrazine
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- 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 | BPX-5 | 1173. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
| Capillary | BPX-5 | 1177. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
| Capillary | DB-1 | 1141. | Wu, Wang, et al., 2000 | 60. m/0.25 mm/1. μm, N2, 5. K/min, 200. C @ 30. min; Tstart: 30. C |
| Capillary | DB-1 | 1136. | Izzo and Ho, 1991 | 50. m/0.32 mm/1.05 μm, He, 2. K/min, 260. C @ 40. min; Tstart: 40. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP Sil 5 CB | 1137. | Counet, Callemien, et al., 2002 | 50. m/0.32 mm/1.2 μm; Program: 36C => 20C/min => 85C => 1C/min => 145C=3C/min => 250C(30min) |
| Capillary | CP Sil 5 CB | 1139. | Counet, Callemien, et al., 2002 | 50. m/0.32 mm/1.2 μm; Program: 36C => 20C/min => 85C => 1C/min => 145C=3C/min => 250C(30min) |
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.
Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J.,
Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems,
J. Agric. Food Chem., 2001, 49, 9, 4315-4323, https://doi.org/10.1021/jf010198m
. [all data]
Wu, Wang, et al., 2000
Wu, C.-M.; Wang, Z.; Wu, Q.H.,
Volatile compounds produced from monosodium glutamate in common food cooking,
J. Agric. Food Chem., 2000, 48, 6, 2438-2442, https://doi.org/10.1021/jf9907743
. [all data]
Izzo and Ho, 1991
Izzo, H.V.; Ho, C.-T.,
Isolation and identification of the volatile components of an extruded autolyzed yeast extract,
J. Agric. Food Chem., 1991, 39, 12, 2245-2248, https://doi.org/10.1021/jf00012a029
. [all data]
Counet, Callemien, et al., 2002
Counet, C.; Callemien, D.; Ouwerx, C.; Collin, S.,
Use of gas chromatography-olfactometry to identify key odorant compounds in dark chocolate. Comparison of samples before and after conching,
J. Agric. Food Chem., 2002, 50, 8, 2385-2391, https://doi.org/10.1021/jf0114177
. [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.