2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-dihydroxy-
- Formula: C4H4N2O5
- Molecular weight: 160.0850
- IUPAC Standard InChI: InChI=1S/C4H4N2O5/c7-1-4(10,11)2(8)6-3(9)5-1/h10-11H,(H2,5,6,7,8,9)
- IUPAC Standard InChIKey: ZIIHZVKHFWOENY-UHFFFAOYSA-N
- CAS Registry Number: 3237-50-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Barbituric acid, 5,5-dihydroxy-; Mesoxalylcarbamide monohydrate; Mesoxalylurea monohydrate; 2,4,5,6(1H,3H)-Pyrimidinetetrone hydrate; 2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate; 5,5-dihydroxyperhydropyrimidinetrione; Alloxan
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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -240.01 | kcal/mol | Ccb | Stiehler and Huffman, 1935 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -273.58 ± 0.16 | kcal/mol | Ccb | Stiehler and Huffman, 1935 |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stiehler and Huffman, 1935
Stiehler, R.D.; Huffman, H.M.,
Thermal data. IV. The heats of combustion of adenine, hypoxanthine, guanine, xanthine, uric acid, allantoin and alloxan,
J. Am. Chem. Soc., 1935, 57, 1734-1740. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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