Dihydro-2-methyl-3-furanone
2-Methyltetrahydrofuran-3-one
CAS: 3188-00-9
Molecular Formula: C5H8O2
Dihydro-2-methyl-3-furanone - Names and Identifiers
Dihydro-2-methyl-3-furanone - Physico-chemical Properties
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1.034 g/mL at 25 °C (lit.) |
| Boling Point | 139 °C (lit.) |
| Flash Point | 103°F |
| JECFA Number | 1448 |
| Vapor Presure | 6.56mmHg at 25°C |
| Appearance | clear liquid |
| Specific Gravity | 1.034 |
| Color | Colorless to Yellow to Green |
| BRN | 1341334 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.429(lit.) |
| Use | Used as a raw material for spices and in organic synthesis |
Dihydro-2-methyl-3-furanone - Risk and Safety
| Risk Codes | R10 - Flammable R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R2017/10/2 - |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1224 3/PG 3 |
| WGK Germany | 3 |
| RTECS | LU3579000 |
| FLUKA BRAND F CODES | 3-9 |
| TSCA | Yes |
| HS Code | 29329990 |
| Hazard Note | Toxic |
| Hazard Class | 3 |
| Packing Group | III |
Dihydro-2-methyl-3-furanone - Reference Information
| FEMA | 3373 | 2-METHYLTETRAHYDROFURAN-3-ONE |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| biological activity | 2-Methyltetrahydrofuran-3-one is a volatile component in the aroma of roasted coffee. |
| Use | Used as raw material for spices and used in organic synthesis |
| Production method | 1. Using ethyl lactate and methyl acrylate as the main raw materials, 2-Methyl -4-methyl tetrahydrofuran -3-one is synthesized by phase transfer catalysis in room temperature ionic liquid through condensation and acidic hydrolysis. 2. It can be produced in closed loop by acid catalysis of azone in β-alkoxy group. |
Last Update：2024-04-09 15:16:45
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