Chrysophanein(CAS: 4839-60-5)

Chrysophanein is a crystalline compound with a molecular weight of approximately 386.41 g/mol. It has a low solubility in water but is more soluble in organic solvents like ethanol and acetone. Chrysophanein exhibits photoluminescent properties and is relatively stable under normal conditions but can degrade in the presence of strong acids or bases. It is used in various applications due to its optical properties.

Chrysophanein can be synthesized through condensation of 4,4'-dihydroxybiphenyl with a suitable reagent like chloroacetic acid. The process involves heating in a solvent like toluene under basic conditions. The yield is typically around 70-80%, and the reaction is catalyzed by potassium carbonate. The product is then purified by recrystallization.

Chrysophanein is used in the pharmaceutical industry for its photoluminescent properties, which can be utilized in drug delivery systems. It is also used in the polymer industry for improving the optical properties of plastics. Additionally, it finds applications in sensors and semiconductors due to its unique optical characteristics.

When handling Chrysophanein, it is important to wear appropriate personal protective equipment (PPE), including gloves and safety goggles. The compound should be stored in a cool, dry place away from strong acids and bases. In case of a spill, use a fume hood to avoid inhalation and clean up the spill using an appropriate solvent. Refer to the Safety Data Sheet (SDS) for more detailed information on handling and storage.