3,4-Dihydro-2-methoxy-2H-pyran(CAS#4454-05-1)
| Hazard Symbols | Xn – HarmfulF,Xn - |
| Risk Codes | R22 – Harmful if swallowed R11 – Highly Flammable R36 – Irritating to the eyes R20 – Harmful by inhalation R10 – Flammable |
| Safety Description | S9 – Keep container in a well-ventilated place. S33 – Take precautionary measures against static discharges. S16 – Keep away from sources of ignition. S36 – Wear suitable protective clothing. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 1993 |
| RTECS | UP7900000 |
| TSCA | Yes |
| HS Code | 29329900 |
| Hazard Class | 3 |
| Packing Group | II |
Introduction
3,4-Dihydro-2-methoxy-2H-pyran is an organic compound. It is a colorless liquid with a peculiar odor. The following is an introduction to some properties, uses, preparation methods and safety information about 3,4-dihydro-2-methoxy-2H-pyran:Quality:- Soluble in water and a variety of organic solvents- Has good stability, but is sensitive to strong oxidantsUse:3,4-Dihydro-2-methoxy-2H-pyran has a variety of applications in the chemical industry:- It is an important solvent that can be used in organic synthesis reactions such as hydrogenation, esterification, etc.Method:The preparation of pyranos is generally achieved by catalytic hydrogenation reactions. 3,4-Dihydro-2-methoxy-2H-pyran can be obtained by hydrogenation reduction of 2-hydroxy-2-methoxy-butyric acid.Safety Information:- 3,4-Dihydro-2-methoxy-2H-pyran has low toxicity but should still be used with caution to avoid contact with skin, eyes, and respiratory tract. Personal protective equipment such as protective gloves, face shields and goggles should be worn when in use.- Avoid contact with harmful substances such as strong oxidants and strong acids to avoid dangerous reactions.- Maintain a well-ventilated environment and keep away from fire and high temperatures during handling and storage.- When disposing of waste, it is necessary to comply with the relevant regulations of the local government to protect the environment and personal safety.
