3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid - 3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-6-carboxylic acid (1:1)(CAS: 72088-94-9)

The compound has a crystalline form with a molecular weight of approximately 524.3 g/mol. It is poorly soluble in water but soluble in organic solvents like ethanol and acetone. It is reactive towards acids and bases. The compound is stable under normal conditions but can degrade under strongly acidic or basic conditions.

The compound is typically synthesized via condensation reactions involving benzoic acid derivatives and xanthone precursors. Specific conditions include the use of a Lewis acid catalyst, such as aluminum trichloride, and a suitable organic solvent. The synthesis yields a mixture of isomers, with selectivity and yield varying based on the reaction conditions.

This compound is used in the pharmaceutical industry for drug development due to its unique chemical structure. It also finds applications in the production of sensors and semiconductors due to its optical and electronic properties.

When handling this compound, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a laboratory coat. Work should be conducted in a well-ventilated area or fume hood to minimize inhalation risks. Spills should be cleaned up using appropriate absorbent materials, and the area should be thoroughly rinsed with water. Consult the Material Safety Data Sheet (MSDS) for detailed safety information.