4,5-Dichloro-1,3-dioxolan-2-one(CAS: 3967-55-3)

4,5-Dichloro-1,3-dioxolan-2-one is a white crystalline solid with a molecular weight of approximately 213.02 g/mol. It has a moderate solubility in common organic solvents such as ethanol and acetone. Chemically, it is relatively stable but can undergo hydrolysis under basic conditions. It is used in organic synthesis as a building block and as a reagent.

4,5-Dichloro-1,3-dioxolan-2-one is commonly synthesized via the chlorination of 1,3-dioxolan-2-one with chlorine gas in the presence of a phase transfer catalyst such as tetrabutylammonium chloride. The reaction is typically conducted under anhydrous conditions to avoid side reactions. The yield is generally around 75-85%, with good selectivity towards the chlorinated product.

4,5-Dichloro-1,3-dioxolan-2-one is used in various industries, particularly in the pharmaceutical sector for the synthesis of certain drugs. It also finds applications in the production of polymers, where it serves as a monomer or intermediate. Additionally, it is used in the development of sensors and semiconductors due to its chemical reactivity and stability.

When handling 4,5-Dichloro-1,3-dioxolan-2-one, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Handle it in a well-ventilated area or fume hood to minimize exposure to vapors. Spills should be cleaned up using appropriate absorbent materials, followed by thorough washing with water. Always consult the Safety Data Sheet (SDS) for specific handling and disposal instructions.