3,4-dihydro-2-ethoxy-2H-pyran(CAS#103-75-3)
| Risk Codes | R10 – Flammable R36/38 – Irritating to eyes and skin. R11 – Highly Flammable |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 – Keep away from sources of ignition. |
| UN IDs | UN 3271 3/PG 3 |
| WGK Germany | 2 |
| RTECS | UP8925000 |
| HS Code | 29329990 |
| Hazard Class | 3.2 |
| Packing Group | III |
Introduction
2-Ethoxy-3,4-dihydropyran is a chemical compound. The following is an introduction to its properties, uses, manufacturing methods and safety information:Quality:2-ethoxy-3,4-dihydropyran is a colorless to light yellow liquid with a distinctive sweet taste.Use:2-ethoxy-3,4-dihydropyran has a variety of uses in the chemical field, mainly for the synthesis of other compounds.Method:The preparation of 2-ethoxy-3,4-dihydropyran is mainly carried out by chemical synthesis method. A common preparation method is to react 2-ethoxy-3,4-dihydropyranoacetate with an appropriate substrate followed by esterification.Safety Information:Under proper conditions of use and storage, 2-ethoxy-3,4-dihydropyran is generally relatively safe. As a chemical, it can be somewhat toxic to humans. Follow relevant safety protocols when in use, such as wearing appropriate personal protective equipment and ensuring good ventilation. During handling and storage, care should be taken to avoid contact with oxidants and strong alkalis to avoid dangerous reactions. In the event of a leak or accident, appropriate emergency measures should be taken, including removal of the spilled material, and the relevant authorities should be promptly notified.
