2,4(1H,3H)-Pyrimidinedione, 5-bromo-
- Formula: C4H3BrN2O2
- Molecular weight: 190.983
- IUPAC Standard InChI: InChI=1S/C4H3BrN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9)
- IUPAC Standard InChIKey: LQLQRFGHAALLLE-UHFFFAOYSA-N
- CAS Registry Number: 51-20-7
- 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: Uracil, 5-bromo-; Bromouracil; 5-Bromouracil; 5-Bromo-2,4-dihydroxypyrimidine; 2,4-Pyrimidinedione, 1,2,3,4-tetrahydro-5-bromo
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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° | 151.4 ± 2.5 | kJ/mol | ME | Szterner, Kaminski, et al., 2002 | See also Zielenkiewicz and Szterner, 2005. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 148.1 | 405. - 414. | ME | Szterner, Kaminski, et al., 2002 |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Szterner, Kaminski, et al., 2002
Szterner, Piotr; Kaminski, Miron; Zielenkiewicz, Anna,
Vapour pressures, molar enthalpies of sublimation and molar enthalpies of solution in water of five halogenated derivatives of uracil,
The Journal of Chemical Thermodynamics, 2002, 34, 7, 1005-1012, https://doi.org/10.1006/jcht.2000.0987
. [all data]
Zielenkiewicz and Szterner, 2005
Zielenkiewicz, Wojciech; Szterner, Piotr,
Thermodynamic Investigation of Uracil and Its Halo Derivatives. Enthalpies of Solution and Solvation in Methanol,
J. Chem. Eng. Data, 2005, 50, 4, 1139-1143, https://doi.org/10.1021/je049656o
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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