1H-Pyrazole, 1-ethyl-
- Formula: C5H8N2
- Molecular weight: 96.1304
- IUPAC Standard InChI: InChI=1S/C5H8N2/c1-2-7-5-3-4-6-7/h3-5H,2H2,1H3
- IUPAC Standard InChIKey: FLNMQGISZVYIIK-UHFFFAOYSA-N
- CAS Registry Number: 2817-71-2
- 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: 1-Ethylpyrazole
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Phase change data
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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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 12.7 ± 0.57 | kcal/mol | C | Ribeiro da Silva, 1999 |
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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 110. | 809. | Golovnya, Kuz'menko, et al., 2000 | He; Phase thickness: 0.4 μm |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro da Silva, 1999
Ribeiro da Silva, M.,
Enthalpies of combustion, heat capacities, and enthalpies of vaporization of 1-ethylimidazole and 1-ethylpyrazole,
The Journal of Chemical Thermodynamics, 1999, 31, 1, 129-138, https://doi.org/10.1006/jcht.1998.0436
. [all data]
Golovnya, Kuz'menko, et al., 2000
Golovnya, R.V.; Kuz'menko, T.E.; Krikunova, N.I.,
The influence of alkyl substituents on the chromatographic indicator of self-association of N-containing heterocyclic compounds,
Russ. Chem. Bull. (Engl. Transl.), 2000, 49, 2, 321-324, https://doi.org/10.1007/BF02494681
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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