5-Methyl-2-benzofuran-1,3-dione(CAS: 19438-61-0)

5-Methyl-2-benzofuran-1,3-dione (CAS: 19438-61-0) is a crystalline solid with a molecular weight of approximately 188.16 g/mol. It has a melting point of 182-183°C and is slightly soluble in water. This compound is known for its aromatic nature and exhibits limited reactivity under normal conditions. It is stable under standard laboratory conditions but should be stored away from reducing agents and moisture.

5-Methyl-2-benzofuran-1,3-dione (CAS: 19438-61-0) is typically synthesized via a Friedel-Crafts acylation reaction. The process involves reacting benzofuran with acetyl chloride in the presence of aluminum chloride as a catalyst. The reaction is carried out at elevated temperatures, and the yield is generally around 80-90%. Selectivity and purity can be enhanced through careful control of reaction conditions.

5-Methyl-2-benzofuran-1,3-dione (CAS: 19438-61-0) is used in various industries, including pharmaceuticals for its potential as a precursor to drugs, and in the polymer industry for its use as a monomer in the synthesis of functional polymers. It also finds applications in the production of sensors due to its unique optical and electronic properties.

When handling 5-Methyl-2-benzofuran-1,3-dione (CAS: 19438-61-0), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work in a well-ventilated area or a fume hood to prevent inhalation of any vapors. Spills should be handled carefully using appropriate cleanup materials. Always refer to the Safety Data Sheet (SDS) for detailed information on proper handling and disposal methods.