Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate(CAS: 67627-18-3)

Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate is a crystalline compound with a molecular weight of approximately 1000 g/mol. It has limited water solubility and is known for its stability in acidic and neutral conditions. The compound is moderately reactive, showing potential for chemical transformations under specific pH and temperature conditions. It is insoluble in common organic solvents such as methanol and chloroform but soluble in water and aqueous solutions.

Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate is synthesized through a multi-step process involving the condensation of indole derivatives with sulfonic acid under mild conditions. The synthesis typically involves the use of potassium hydroxide as a base in aqueous media. The reaction is highly selective and yields up to 90% of the target compound, with optimization of reaction conditions leading to improved yields and purity.

Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate is primarily used in pharmaceutical industries for the development of novel drug candidates. It also finds applications in the production of sensors and semiconductors due to its unique chemical properties. The compound is essential in polymer synthesis for its ability to enhance material properties and stability.

When handling Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate, it is crucial to use personal protective equipment (PPE) such as gloves, safety goggles, and lab coats. The compound should be stored in a fume hood to minimize exposure to fumes. In case of a spill, immediate action should be taken to contain the spill and clean it up using appropriate absorbent materials. It is advisable to refer to the Safety Data Sheet (SDS) for specific handling and disposal guidelines.