2 2-Dimethyl-1 3-dioxan-5-one（CAS# 74181-34-3)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R41 – Risk of serious damage to eyes R37/38 – Irritating to respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 – Wear suitable gloves and eye/face protection S39 – Wear eye / face protection. S24/25 – Avoid contact with skin and eyes. |
| UN IDs | 1993 |
| HS Code | 29141900 |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
2,2-dimethyl-1, 3-dioxan-5-one is an organic compound with the formula C6H10O3. The following is a description of its nature, use, preparation and safety information:
Nature:
2,2-Dimethyl-1,3-dioxan-5-one is a colorless liquid with a special ketone odor. It has a density of 0.965 g/mL, a boiling point of 156-157°C, and a flash point of 60°C. It is soluble in many organic solvents such as ethanol, ethyl acetate and dichloromethane.
Use:
2,2-Dimethyl-1,3-dioxan-5-one is a commonly used organic synthesis intermediate. It can be used as a ketonizing agent, esterifying agent and condensing agent in the synthesis. It can be used in the synthesis of other organic compounds, such as coatings, resins, dyes, pharmaceuticals and fine chemicals.
Preparation Method:
The preparation method of 2,2-Dimethyl-1,3-dioxan-5-one can be achieved by the Uskberg oxidation reaction. Specifically, 1,3-butanediol is reacted with methyl iodide to produce 2,2-dimethyl -1,3-dioxane. Then, the 2,2-dimethyl -1,3-dioxane is subjected to an oxidation reaction in the presence of iodine, and the product is 2,2-Dimethyl-1,3-dioxan-5-one.
Safety Information:
