5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
- CAS NO.：499-78-5
- Empirical Formula: C6H4O5
- Molecular Weight: 156.09
- MDL number: MFCD03085981
- EINECS: 207-891-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:16:11
What is 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid ?
The Uses of 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid can be used in the regenerative anti-inflammatory composition
The Uses of 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton.
What are the applications of Application
5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid is a building block for an intramolecular olefin-a-pyrone
Properties of 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
| 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) |
| Water Solubility | 5.1g/L(25 ºC) |
| EPA Substance Registry System | 4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5) |
Safety information for 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
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