2',4',5',7'-Tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one(CAS: 13473-26-2)

2',4',5',7'-Tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one has a molecular weight of approximately 795.8 g/mol. It is a white crystalline solid with poor solubility in water but good solubility in organic solvents. It is highly reactive, especially towards nucleophiles and reducing agents. The compound is stable under normal conditions but can decompose at high temperatures or in the presence of strong reducing agents.

2',4',5',7'-Tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one is synthesized through a multi-step process involving bromination, chlorination, and hydroxylation reactions. Commonly, the synthesis involves starting materials such as xanthenone, which undergoes bromination and chlorination reactions sequentially, followed by hydroxylation. The reaction conditions include the use of Lewis acids and strong bases, and the process is optimized for high yield and selectivity.

2',4',5',7'-Tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one finds applications in various industries. It is used in the formulation of flame retardants, as a precursor for the synthesis of other brominated and chlorinated compounds, and in the development of sensors and pharmaceuticals. Due to its chemical stability and reactivity, it is also utilized in the production of advanced materials and semiconductors.

When handling 2',4',5',7'-Tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one, it is essential to use appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. The compound should be handled in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be managed with caution, using absorbent materials and disposing of them according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed safety information and specific handling instructions.