What are the physical and chemical properties of Aripiprazole Impurity 31 (CAS: 19315-93-6)?

Aripiprazole Impurity 31, also known as 2,6-quinolinediol, is a crystalline compound with a molecular weight of approximately 142.18 g/mol. It has a low solubility in water but is more soluble in organic solvents like ethanol and methanol. Chemically, it is a relatively stable compound under normal conditions but can react with strong acids or bases. It is important to handle it under controlled conditions to avoid degradation.