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
View 3d structure (requires JavaScript / HTML 5) - 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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Normal alkane RI, non-polar column, temperature ramp
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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
| Column type | Capillary | Capillary |
|---|---|---|
| Active phase | OV-101 | DB-5 |
| Column length (m) | 50. | 60. |
| Carrier gas | H2 | |
| Substrate | ||
| Column diameter (mm) | 0.22 | 0.32 |
| Phase thickness (μm) | ||
| Tstart (C) | 80. | 40. |
| Tend (C) | 200. | 200. |
| Heat rate (K/min) | 2. | 2. |
| Initial hold (min) | ||
| Final hold (min) | ||
| I | 1025. | 1056. |
| Reference | Mihara and Masuda, 1988 | Gallois and Grimont, 1985 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Notes
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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