Methyl 2-(2,3-Dichlorobenzylidene)acetoacetate(CAS: 74073-22-6)

Methyl 2-(2,3-Dichlorobenzylidene)acetoacetate (CAS: 74073-22-6) is a crystalline compound with a molecular weight of approximately 334.02 g/mol. It has a low water solubility, with a maximum solubility of 0.1 g/L at 20°C. The compound is highly reactive due to its chlorinated benzylidene group, making it susceptible to degradation under basic conditions. It is insoluble in water but soluble in organic solvents such as acetone and dichloromethane.

Methyl 2-(2,3-Dichlorobenzylidene)acetoacetate (CAS: 74073-22-6) is typically synthesized via a condensation reaction of 2,3-dichlorobenzaldehyde and acetoacetic ester. This reaction is often catalyzed by a Lewis acid such as aluminum trichloride in anhydrous conditions to achieve high yield and selectivity. The process involves careful control of temperature and reaction time to ensure optimal product formation.

Methyl 2-(2,3-Dichlorobenzylidene)acetoacetate (CAS: 74073-22-6) is used in the pharmaceutical industry for the synthesis of certain medicinal compounds. It is also utilized in the semiconductor and electronics industry for the production of photoresists and other functional materials. Additionally, it is employed in the polymer industry as a precursor for the synthesis of various polymer additives and surface coatings.

When handling Methyl 2-(2,3-Dichlorobenzylidene)acetoacetate (CAS: 74073-22-6), it is essential to wear appropriate personal protective equipment (PPE) such as safety goggles, gloves, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight and moisture. In case of a spill, it should be handled in a well-ventilated area, and the area should be cleaned with an appropriate solvent. Always refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.