3,3′,4,4′-Benzophenone tetracarboxylic dianhydride (Cat No.:R065394) is an aromatic dianhydride widely used as a key monomer in the synthesis of high-performance polyimides. Known for imparting excellent thermal stability, mechanical strength, and chemical resistance, BTDA is ideal for advanced materials in aerospace, electronics, and automotive industries. Its rigid benzophenone core enhances structural integrity, while the anhydride groups readily react with diamines to form polyimide chains. BTDA also contributes to improved solubility and processability in polymer formulations, making it a preferred choice for engineering plastics and high-temperature-resistant coatings.