Dihydrofuran-3(2H)-One（CAS#22929-52-8）
| Hazard Symbols | Xn – Harmful |
| Risk Codes | R11 – Highly Flammable R19 – May form explosive peroxides R36/37/38 – Irritating to eyes, respiratory system and skin. R22 – Harmful if swallowed |
| 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. S23 – Do not breathe vapour. |
| UN IDs | 1993 |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
Dihydro-3(2H)-furanone is an organic compound. It is a colorless liquid with a sweet taste and is soluble in water and organic solvents.
Dihydro-3(2H)-furanone has strong solubility and stability. It is an important solvent and intermediate and is widely used in organic synthesis.
The preparation method of dihydro-3(2H)-furanone is relatively simple. A common method is obtained by the reaction of acetone and ethanol under acidic conditions.
Dihydro-3(2H)-furanone has a good safety profile and generally does not cause obvious harm to the human body and the environment. However, as an organic compound, it still has a certain toxicity, so it is necessary to avoid contact with skin and eyes when using it, and maintain a well-ventilated experimental environment. When using and storing, the relevant safe handling procedures for chemicals should be followed.
