Sodium maleate dibasic is widely used in the water treatment industry as a chelating agent to control scale formation and corrosion in boilers and cooling systems. It helps in stabilizing metal ions, preventing them from depositing on equipment surfaces. In the textile industry, it acts as a dyeing auxiliary, improving the uptake and fixation of dyes on fabrics. It is also employed in the production of detergents and cleaning agents, where it enhances the effectiveness of surfactants by softening water and preventing mineral buildup. Additionally, it serves as a pH buffer in various chemical processes, ensuring optimal conditions for reactions. Its role in polymer synthesis is notable, where it acts as a monomer or cross-linking agent to modify the properties of resins and plastics.