4,4'-Biphenyldisulfonic acid(CAS: 5314-37-4)

4,4'-Biphenyldisulfonic acid, with CAS number 5314-37-4, is a dianhydride compound used in various applications. It is a white to light yellow crystalline solid with a molecular formula of C16H10O4S2.

4,4'-Biphenyldisulfonic acid is primarily used in the synthesis of polyimide resins, which are widely used in electronics and aerospace industries. It also finds applications in the textile industry for dyeing and finishing processes.

4,4'-Biphenyldisulfonic acid is generally safe when handled with proper protective measures. Users should wear gloves, goggles, and appropriate protective clothing to avoid skin contact and inhalation. Inhalation and skin contact can cause irritation. Proper ventilation is also required during handling.

4,4'-Biphenyldisulfonic acid should be stored in a cool, dry place, away from direct sunlight and heat sources. It should be kept in tightly sealed containers to prevent moisture absorption. Avoid contact with incompatible materials such as acids and oxidizers. Properly labeled and secured containers should be used to ensure safety during storage and transportation.