1H-Imidazole, 2-ethyl-
- Formula: C5H8N2
- Molecular weight: 96.1304
- IUPAC Standard InChI: InChI=1S/C5H8N2/c1-2-5-6-3-4-7-5/h3-4H,2H2,1H3,(H,6,7)
- IUPAC Standard InChIKey: PQAMFDRRWURCFQ-UHFFFAOYSA-N
- CAS Registry Number: 1072-62-4
- 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: Imidazole, 2-ethyl-; 2-Ethylimidazole
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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 541.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 89.6 ± 0.4 | kJ/mol | V | Jimenez, Roux, et al., 1992 | ALS |
| ΔsubH° | 89.6 | kJ/mol | N/A | Jimenez, Roux, et al., 1992 | DRB |
| ΔsubH° | 89.6 ± 0.4 | kJ/mol | ME | Jimenez, Roux, et al., 1992 | AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 89.2 ± 0.4 | 312. | ME | Jimenez, Roux, et al., 1992 | Based on data from 303. to 321. K.; AC |
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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Jimenez, Roux, et al., 1992
Jimenez, P.; Roux, M.V.; Turrion, C.,
Thermochemical properties of N-heterocyclic compounds IV. Enthalpies of combustion, vapour pressures and enthalpies of sublimation, and enthalpies of formation of 2-methylimidazole and 2-ethylimidazole and 2-ethylimidazole,
J. Chem. Thermodyn., 1992, 24, 1145-1149. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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