5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
- Product Name5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
- CAS499-78-5
- MFC6H4O5
- MW156.09
- EINECS207-891-7
- MOL File499-78-5.mol
Chemical Properties
| Melting point | 284-294 °C |
| Boiling point | 240.29°C (rough estimate) |
| Density | 1.5720 (rough estimate) |
| refractive index | 1.6400 (estimate) |
| pka | 1.70±0.20(Predicted) |
| form | solid |
| Water Solubility | 5.1g/L(25 ºC) |
| InChI | 1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10) |
| InChIKey | UUUICOMMFFTCHS-UHFFFAOYSA-N |
| SMILES | OC(=O)C1=CC(=O)C(O)=CO1 |
| EPA Substance Registry System | 4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 22 |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral |
