5-Hydroxy-1H,3H-benzo[de]isochromene-1,3-dione(CAS: 23204-36-6)

5-Hydroxy-1H,3H-benzo[de]isochromene-1,3-dione (CAS: 23204-36-6) is a crystalline compound with a molecular weight of approximately 238.15 g/mol. It has a low solubility in water (0.05 g/100 mL at 20°C) but is soluble in organic solvents like ethanol and acetone. It is moderately reactive, showing some tendency to undergo hydrolysis. The compound is stable under normal conditions but should be stored away from moisture and heat.

5-Hydroxy-1H,3H-benzo[de]isochromene-1,3-dione can be synthesized via the condensation of 3-hydroxybenzaldehyde with 1,3-diketone in the presence of a catalytic amount of an acid, such as acetic acid. The reaction is carried out at a temperature of around 80°C, with a yield of approximately 70-75%. The method is selective and efficient for preparing this compound on a laboratory scale.

5-Hydroxy-1H,3H-benzo[de]isochromene-1,3-dione (CAS: 23204-36-6) is used in the pharmaceutical industry for the synthesis of certain drug intermediates, as well as in the polymer industry for the development of novel polymers with specific properties. It also has applications in sensor technology and semiconductor materials.

Handling 5-Hydroxy-1H,3H-benzo[de]isochromene-1,3-dione (CAS: 23204-36-6) requires appropriate personal protective equipment (PPE), including gloves, goggles, and a laboratory coat. Ensure the use of a fume hood during operations to avoid inhalation. Spills should be cleaned up using appropriate absorbent materials, and the area should be well-ventilated. Always refer to the Safety Data Sheet (SDS) for detailed guidance on safe handling and disposal.