| Identification | |
| Name: | 4H-Pyran-2-carboxylicacid, 5-hydroxy-4-oxo- |
| Synonyms: | 2-Carboxy-5-hydroxy-4-pyrone;5-Hydroxy-4-pyrone-2-carboxylic acid; Comenic acid |
| CAS: | 499-78-5 |
| EINECS: | 207-891-7 |
| Molecular Formula: | C6H4 O5 |
| Molecular Weight: | 0 |
| InChI: | InChI=1/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10) |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 284-294 °C |
| Flash Point: | 187.7°C |
| Boiling Point: | 420.7°Cat760mmHg |
| Density: | 1.819g/cm3 |
| Refractive index: | 1.66 |
| Flash Point: | 187.7°C |
| Safety Data | |
| Hazard Symbols |
Xn: Harmful
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