6-Chloro-7-methyl-4H-chromen-4-one(CAS: 67029-84-9)

6-Chloro-7-methyl-4H-chromen-4-one (CAS: 67029-84-9) is a crystalline solid with a molecular weight of approximately 206.01 g/mol. It is slightly soluble in water but soluble in common organic solvents like ethanol and dichloromethane. This compound is chemically stable but can react with strong bases and reducing agents. It has a characteristic chromone ring, which contributes to its UV-Vis spectrum.

6-Chloro-7-methyl-4H-chromen-4-one (CAS: 67029-84-9) is typically synthesized via a condensation reaction between 7-methyl-4H-chromen-4-one and chloromethyl ketone. The reaction is catalyzed by a Lewis acid such as aluminum chloride and proceeds with good yield. The product undergoes selective chlorination, ensuring high purity and minimal side products.

6-Chloro-7-methyl-4H-chromen-4-one (CAS: 67029-84-9) finds applications in the pharmaceutical industry for the synthesis of certain drug intermediates. It is also used in the polymer industry as a precursor for functional polymers. Additionally, it serves as a reagent in analytical chemistry for developing sensors and in the semiconductor industry for specific processes.

When handling 6-Chloro-7-methyl-4H-chromen-4-one (CAS: 67029-84-9), it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight and flammable materials. Fume hoods should be used during handling to minimize exposure. In case of a spill, neutralize with a base and dispose of according to local hazardous waste regulations. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information.