| coumalin; 2-oxo-2H-pyran; 2-pyranone; pyran-2-one; 2H-pyran-2-one; α-pyrone | |
| Links: | 📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed |
| CAS RN: | [504-31-4] |
| Formula: | C5H4O2; 96.09 g/mol |
| InChiKey: | ZPSJGADGUYYRKE-UHFFFAOYSA-N |
| SMILES: | O=C1OC=CC=C1 |
| Density: | 1.198 g/mL |
| Molar volume: | 80.2 mL/mol |
| Refractive index: | 1.530 |
| Molecular refractive power: | 24.77 mL/mol |
| Melting point: | 9 °C |
| Boiling point: | 102 °C |