3,7-dibromo-10H-phenothiazine(CAS: 21667-32-3)

3,7-Dibromo-10H-phenothiazine (CAS: 21667-32-3) is a crystalline solid with a molecular weight of approximately 312.04 g/mol. It is poorly soluble in water but soluble in organic solvents such as ethanol. Chemically, it is stable under normal conditions but can undergo ring-opening reactions under basic conditions. It is commonly used in the synthesis of pharmaceuticals and sensors.

3,7-Dibromo-10H-phenothiazine can be synthesized via a bromination process of phenothiazine, followed by a series of coupling reactions. Commonly, this involves reacting phenothiazine with bromine in the presence of a catalyst such as iron(III) bromide, achieving a high yield of the desired product.

3,7-Dibromo-10H-phenothiazine (CAS: 21667-32-3) is primarily used in the pharmaceutical industry for the development of new drugs and sensors. It is also utilized in the production of polymers and semiconductors for advanced electronics.

When handling 3,7-dibromo-10H-phenothiazine, proper personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn. Work should be conducted in a well-ventilated area or fume hood. Spills should be cleaned up immediately using appropriate chemical spill kits. Always refer to the Safety Data Sheet (SDS) for detailed handling and safety instructions.