Pyrazine, 3,5-dimethyl-2-propyl-
- Formula: C9H14N2
- Molecular weight: 150.2209
- IUPAC Standard InChI: InChI=1S/C9H14N2/c1-4-5-9-8(3)11-7(2)6-10-9/h6H,4-5H2,1-3H3
- IUPAC Standard InChIKey: UTRAUCDSVCDVIW-UHFFFAOYSA-N
- CAS Registry Number: 32350-16-6
- 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: 2,6-Dimethyl-3-propylpyrazine; Pyrazine, 2,6-dimethyl-3-propyl-; 3,5-Dimethyl-2-propylpyrazine; 2,6-Dimethyl-3-pyropylpyrazine
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Gas Chromatography
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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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 1131. | Solina, Baumgartner, et al., 2005 | 25. m/0.2 mm/1. μm, He, 5. K/min, 280. C @ 5. min; Tstart: 40. C |
| Capillary | HP-5 | 1131. | Solina, Baumgartner, et al., 2005 | 25. m/0.2 mm/1. μm, He, 5. K/min, 280. C @ 5. min; Tstart: 40. C |
| Capillary | DB-1 | 1130. | Wu, Wang, et al., 2000 | 60. m/0.25 mm/1. μm, N2, 5. K/min, 200. C @ 30. min; Tstart: 30. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 1151. | Mihara and Masuda, 1987 | N2, 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 1152. | Yu and Zhang, 2010 | 30. m/0.25 mm/0.25 μm; Program: 40 0C (5 min) 5 0C/min -> 260 0C 15 0C/min -> 280 0C (1 min) |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1493. | Mihara and Masuda, 1987 | Program: not specified |
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.
Solina, Baumgartner, et al., 2005
Solina, M.; Baumgartner, P.; Johnson, R.L.; Whitfield, F.B.,
Volatile aroma components of soy protein isolate and acid-hydrolysed vegetable protein,
Food Chem., 2005, 90, 4, 861-873, https://doi.org/10.1016/j.foodchem.2004.06.005
. [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]
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]
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]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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