Pyrimidone is the name given to either of two heterocyclic compounds with the formula C4H4N2O: 2-pyrimidone and 4-pyrimidone. The compounds can also be called 2-hydroxypyrimidineor4-hydroxypyrimidine respectively, based on a substituted pyrimidine, or 1,3-diazine, ring.
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| Names | |
|---|---|
| Preferred IUPAC name
1H-Pyrimidin-6-one | |
| Other names
Hydroxypyrimidine; Pyrimidinone | |
| Identifiers | |
 Y[CAS] | |
3D model (JSmol) |
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| ChemSpider |
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PubChem CID |
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| UNII |
Y |
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| Properties | |
| C4H4N2O | |
| Molar mass | 96.089 g·mol−1 |
| Appearance | White to light yellow powder |
| Melting point | 163 to 168 °C (325 to 334 °F; 436 to 441 K) |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Respiratory system, eye, skin irritation |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Derivatives of pyrimidone are the basis of many other biological molecules, including:
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