3393-45-1
3393-45-1 structure
- Name: 5,6-DIHYDRO-2H-PYRAN-2-ONE
- Chemical Name: 2,3-dihydropyran-6-one
- CAS Number: 3393-45-1
- Molecular Formula: C5H6O2
- Molecular Weight: 98.100
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
- Create Date: 2018-06-22 09:28:18
- Modify Date: 2025-09-14 20:27:11
| Name | 2,3-dihydropyran-6-one |
|---|---|
| Synonyms |
5,6-DIHYDRO-2H-PYRAN-2-ONE
5,6-Dihydro-pyran-2-one 5,6-dihydro-2-pyranone 2H-Pyran-2-one, 5,6-dihydro- MFCD00010439 2H-Pyran-2-one,5,6-dihydro 5,5-dihydro-2-pyrone |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 233.7±19.0 °C at 760 mmHg |
| Molecular Formula | C5H6O2 |
| Molecular Weight | 98.100 |
| Flash Point | 46.1±0.0 °C |
| Exact Mass | 98.036781 |
| PSA | 26.30000 |
| LogP | -0.08 |
| Vapour Pressure | 0.1±0.5 mmHg at 25°C |
| Index of Refraction | 1.471 |
| Storage condition | 2-8°C |
| Hazard Codes | F+ |
|---|---|
| Risk Phrases | R10 |
| Safety Phrases | S23-S24/25 |
| RIDADR | UN 1224 3/PG 3 |
| WGK Germany | 3 |
| Packaging Group | III |
| HS Code | 2932999099 |
| Precursor 8 | |
|---|---|
| DownStream 10 | |
![3-(2,6-dichlorophenyl)-4,5-dihydropyrano[4,3-d][1,2]oxazol-7-one structure](https://image.chemsrc.com/caspic/206/156496-85-4.png)
![Pyrano[3,4-c]pyrrole-1-carboxaldehyde, 2,4,6,7-tetrahydro-4-oxo- (9CI) structure](https://image.chemsrc.com/caspic/211/358732-52-2.png)
![6,7-DIHYDROPYRANO[3,4-C]PYRROL-4(2H)-ONE structure](https://image.chemsrc.com/caspic/229/83670-76-2.png)
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |