3 4-epoxytetrahydrofuran（CAS# 285-69-8)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R10 – Flammable |
| Safety Description | S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S23 – Do not breathe vapour. S16 – Keep away from sources of ignition. S36/37/38 - |
| UN IDs | 1993 |
| HS Code | 29321900 |
| Hazard Note | Irritant |
| Hazard Class | 3 |
| Packing Group | Ⅲ |
Introduction
3,4-Epoxytetrahydrofuran is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of this compound:
Properties: 3,4-Epoxytetrahydrofuran is a colorless liquid with the odor of phenols. It is flammable and can form explosive mixtures with air. The compound is water-soluble and stable under acidic conditions.
Uses: 3,4-Epoxytetrahydrofuran is widely used in many reactions in organic synthesis and chemical industry. It can be used as a solvent, catalyst and intermediate.
Preparation method: 3,4-epoxytetrahydrofuran is often synthesized by epoxidation reaction. A common method is to react stannous tetrachloride with tetrahydrofuran to produce epoxide. The reaction usually takes place at room temperature and requires the addition of an acidic catalyst to facilitate the reaction.
It is a flammable substance and should be avoided from contact with open flames and high temperatures. Avoid inhaling gases or contact with skin and eyes during operation. It must be operated in a well-ventilated area and appropriate personal protective equipment such as gloves and protective eyewear must be worn. In addition, it needs to be stored in an airtight container, away from heat sources and open flames. In the event of a leak, stop it immediately and avoid entering the sewer or basement. In case of accidental contact or inhalation, seek medical attention immediately.
