1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one(CAS: 27387-31-1)

1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one (CAS: 27387-31-1) is a crystalline solid with a molecular weight of approximately 212.22 g/mol. It has a solubility of about 0.1 g/100 mL in ethanol and a low solubility in water. This compound is relatively stable but can undergo ring-opening reactions under certain conditions. It is insoluble in water and has a high melting point of around 235-238°C.

1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one is typically synthesized via the reaction of 2,3,4,9-tetrahydro-9-methyl-4H-carbazol with acetyl chloride. The synthesis involves heating the mixture under anhydrous conditions, using an appropriate catalyst such as phosphoric acid, to achieve a yield of about 70-80%. The product is then purified by recrystallization from a suitable solvent.

1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one (CAS: 27387-31-1) is utilized in various industries. It is commonly employed in the pharmaceutical sector for the synthesis of certain drugs, in the semiconductor industry for its use in organic light-emitting diodes (OLEDs), and in the polymer industry as a monomer for the production of specific polymers. Additionally, it finds applications in sensor technology due to its unique optical properties.

When handling 1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one (CAS: 27387-31-1), it is essential to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. This compound should be worked with in a well-ventilated fume hood to minimize the risk of inhalation. Spills should be cleaned up immediately using appropriate absorbent materials and disposed of according to local regulations. Always refer to the safety data sheet (SDS) for detailed safety information.