4-oxacyclohexanone
Tetrahydro-4H-pyran-4-one
CAS: 29943-42-8;143562-54-3
Molecular Formula: C5H8O2
4-oxacyclohexanone - Names and Identifiers
| Name | Tetrahydro-4H-pyran-4-one |
| Synonyms | 4-THP 4-OXOCYCLOHEXANONE 4-oxacyclohexanone TetrahydroHpyranone Tetrahydro-4-pyrone 4-OXOTETRAHYDROPYRAN TETRAHYDROPYRAN-4-ONE TETRAHYDRO-GAMMA-PYRONE Tetrahydro-4H-pran-4-one Tetrahydro-4H-pyran-4-on TETRAHYDRO-4H-PYRAN-4-ONE Tetrahydro-2H-pyran-4-one TETRAHYDRO-2H-PYRAN-4-ONE Tetrahydro-4H-pyran-4-one dihydro-2H-pyran-4(3H)-one 4H-Pyran-4-one, tetrahydro- 2,3,5,6-Tetrahydro-4-pyranone 4-Tetrahydropyranylcarboxylic acid |
| CAS | 29943-42-8 143562-54-3 |
| EINECS | 249-967-2 |
| InChI | InChI=1/C5H8O2/c6-5-1-3-7-4-2-5/h1-4H2 |
| InChIKey | JMJRYTGVHCAYCT-UHFFFAOYSA-N |
4-oxacyclohexanone - Physico-chemical Properties
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1.084 g/mL at 25 °C (lit.) |
| Boling Point | 166-166.5 °C (lit.) |
| Flash Point | 134°F |
| Water Solubility | MISCIBLE |
| Vapor Presure | 1.69mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear colorless to pale yellow |
| BRN | 106463 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | n20/D 1.452(lit.) |
4-oxacyclohexanone - Risk and Safety
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 1224 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 29329995 |
| Hazard Note | Keep Cold/Flammable/Irritant |
| Hazard Class | 3.2 |
| Packing Group | III |
4-oxacyclohexanone - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| Application | Tetrahydropyrone is used in organic synthesis as the cornerstone of more complex chemical structures due to its participation in various cycloaddition reactions. |
| Uses | In organic synthesis, tetrahydropyrone participates in a variety of cycloaddition reactions and is used as a structural block with many more complex chemical structures. for pharmaceutical intermediates, organic synthesis |
Last Update：2024-04-09 19:05:09
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