25991-27-9
25991-27-9 structure
- Name: Methyl 2-oxo-2H-pyran-3-carboxylate
- Chemical Name: methyl 2-oxopyran-3-carboxylate
- CAS Number: 25991-27-9
- Molecular Formula: C7H6O4
- Molecular Weight: 154.120
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
- Create Date: 2018-12-28 03:33:34
- Modify Date: 2025-09-21 11:10:10
| Name | methyl 2-oxopyran-3-carboxylate |
|---|---|
| Synonyms |
Methyl 2-pyrone-3-carboxylate
Methyl 2-oxo-2H-pyran-3-carboxylate MFCD00075443 2H-Pyran-3-carboxylic acid, 2-oxo-, methyl ester 3-carbomethoxy-2H-pyran-2-one 3-Carbomethoxy-2-Pyrone 3-methoxycarbonyl-2-pyrone 2-oxo-2H-pyran-3-carboxylic acid methyl ester EINECS 247-397-9 |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 354.4±0.0 °C at 760 mmHg |
| Melting Point | 75-77ºC(lit.) |
| Molecular Formula | C7H6O4 |
| Molecular Weight | 154.120 |
| Flash Point | 158.7±24.4 °C |
| Exact Mass | 154.026611 |
| PSA | 56.51000 |
| LogP | -0.66 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.513 |
| Hazard Codes | Xn: Harmful; |
|---|---|
| Risk Phrases | 22 |
| Safety Phrases | 22-24/25 |
| WGK Germany | 3 |
| HS Code | 2932209090 |
| Precursor 0 | |
|---|---|
| DownStream 9 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |