2-Methyl-3-isopropylpyrazine
- Formula: C8H12N2
- Molecular weight: 136.1943
- IUPAC Standard InChI: InChI=1S/C8H12N2/c1-6(2)8-7(3)9-4-5-10-8/h4-6H,1-3H3
- IUPAC Standard InChIKey: LNSYLBDZKBWDNL-UHFFFAOYSA-N
- CAS Registry Number: 15986-81-9
- 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-Isopropyl-2-methylpyrazine; Pyrazine, 2-methyl-3-(1-methylethyl); Pyrazine, 2-methyl-3-isopropyl; 2-Isopropyl-3-methylpyrazine
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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 | DB-1 | 1023. | Kim, 2001 | 60. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 1025. | Mihara and Masuda, 1988 | 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
| Capillary | DB-5 | 1056. | Gallois and Grimont, 1985 | H2, 2. K/min; Column length: 60. m; Column diameter: 0.32 mm; Tstart: 40. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-30 | 1028. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1362. | Mihara and Masuda, 1988 | 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1387. | Vinogradov, 2004 | 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.
Kim, 2001
Kim, J.S.,
Einfluss der Temperatur beim Rösten von Sesam auf Aroma und antioxidative Eigenschaften des Öls, PhD Thesis, Technischen Universität Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151. [all data]
Mihara and Masuda, 1988
Mihara, S.; Masuda, H.,
Structure-odor relationships for disubstituted pyrazines,
J. Agric. Food Chem., 1988, 36, 6, 1242-1247, https://doi.org/10.1021/jf00084a029
. [all data]
Gallois and Grimont, 1985
Gallois, A.; Grimont, P.A.D.,
Pyrazines responsible for the potatolike odor produced by some Serratia and Cedecea strains,
Appl. Environ. Microbiol., 1985, 10, 1048-1051. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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