4,4'-Diamino-3,3'-biphenyldiol(CAS: 2373-98-0)

4,4'-Diamino-3,3'-biphenyldiol is a white or pale yellow crystalline solid with a molecular weight of approximately 218.18 g/mol. It is slightly soluble in water and more soluble in organic solvents. The compound is reactive with acids and bases, and it can undergo various polymerization reactions and coupling reactions.

4,4'-Diamino-3,3'-biphenyldiol is usually synthesized via the reduction of 3,3'-dibromobiphenyl with sodium borohydride in an aqueous medium. The reaction typically yields a mixture of products, with a selectivity towards the target compound. The overall yield can range from 60% to 85%.

4,4'-Diamino-3,3'-biphenyldiol is utilized in the pharmaceutical industry for the synthesis of certain dyes and pigments. It is also used in the polymer industry to improve the mechanical properties of plastics. Additionally, it can be found in the semiconductor and sensor industries for its unique chemical reactivity.

Proper personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn when handling 4,4'-Diamino-3,3'-biphenyldiol. Store it in a well-ventilated area and use a fume hood during operations. In case of spill, neutralize with an appropriate base and dispose of according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal information.