Quinoxaline, 2,3-dichloro-
- Formula: C8H4Cl2N2
- Molecular weight: 199.037
- IUPAC Standard InChI: InChI=1S/C8H4Cl2N2/c9-7-8(10)12-6-4-2-1-3-5(6)11-7/h1-4H
- IUPAC Standard InChIKey: SPSSDDOTEZKOOV-UHFFFAOYSA-N
- CAS Registry Number: 2213-63-0
- 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: 2,3-Dichloroquinoxaline
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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 |
|---|---|---|---|---|---|
| ΔsubH° | 91.8 ± 1.1 | kJ/mol | ME | Morais, Miranda, et al., 2004 | |
| ΔsubH° | 93.1 ± 0.9 | kJ/mol | ME | Monte and Hillesheim, 2000 |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 92.4 ± 0.4 | 321. | ME | Monte and Hillesheim, 2000 | Based on data from 313. - 329. K. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 24.36 | 424.4 | DSC | Monte and Hillesheim, 2000 |
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.
Morais, Miranda, et al., 2004
Morais, Victor M.F.; Miranda, Margarida S.; Matos, M. Agostinha R.,
Thermochemical study of chloropyrazines and chloroquinoxalines,
The Journal of Chemical Thermodynamics, 2004, 36, 5, 377-383, https://doi.org/10.1016/j.jct.2004.01.005
. [all data]
Monte and Hillesheim, 2000
Monte, Manuel J.S.; Hillesheim, Dorothea M.,
Thermodynamic Study on the Sublimation of Six Substituted Quinoxalines,
J. Chem. Eng. Data, 2000, 45, 6, 1088-1092, https://doi.org/10.1021/je0001577
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion 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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