1H-Imidazole, 4-methyl-
- Formula: C4H6N2
- Molecular weight: 82.1038
- IUPAC Standard InChI: InChI=1S/C4H6N2/c1-4-2-5-3-6-4/h2-3H,1H3,(H,5,6)
- IUPAC Standard InChIKey: XLSZMDLNRCVEIJ-UHFFFAOYSA-N
- CAS Registry Number: 822-36-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Imidazole, 4-methyl-; 4(Or 5)-Methylimidazole; 4(5)-Methylimidazole; 4-Methylimidazole; 5-Methylimidazole; 4-Me-i
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated by: Edward P. Hunter and Sharon G. Lias
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 952.8 | kJ/mol | N/A | Hunter and Lias, 1998 | |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 920.9 | kJ/mol | N/A | Hunter and Lias, 1998 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, 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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 110. | 1198. | Zhuravleva, 2000 | 50. m/0.3 mm/0.4 μm, He |
| Capillary | OV-101 | 150. | 1198. | Golovnya, Zhuravleva, et al., 1992 | 30. m/0.30 mm/0.20 μm |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | PEG-40M/KF | 170. | 2165. | Golovnya, Zhuravleva, et al., 1992 | 30. m/0.3 mm/0.2 μm |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 2211. | Wong and Bernhard, 1988 | He, 70. C @ 8. min, 2. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 160. C |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Zhuravleva, 2000
Zhuravleva, I.L.,
Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography,
Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 325-328, https://doi.org/10.1007/BF02494682
. [all data]
Golovnya, Zhuravleva, et al., 1992
Golovnya, R.V.; Zhuravleva, I.L.; Sal'kova, M.A.,
Prediction of Retention Indexes of Alkylimadazoles Under Conditions of Capillary Gas Chromatography,
J. Anal. Chem. USSR (Engl. Transl.), 1992, 7, 932-937. [all data]
Wong and Bernhard, 1988
Wong, J.M.; Bernhard, R.A.,
Effect of nitrogen source on pyrazine formation,
J. Agric. Food Chem., 1988, 36, 1, 123-129, https://doi.org/10.1021/jf00079a032
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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