3,3′,4,4′-diphenylsulfidetetracarboxylic dianhydride, also known as DTDA, is a chemical compound with the molecular formula C26H10O6S. It is a dianhydride derivative of a dithiadiphenyl compound known for its high thermal stability, excellent electrical insulation properties, and resistance to chemicals and solvents. Used in Aerospace Industry: 3,3′,4,4′-diphenylsulfidetetracarboxylic dianhydride is used as a key component in the production of high-performance polyimides for aerospace applications due to its exceptional thermal and electrical properties. Used in Automotive Industry: In the automotive industry, 3,3′,4,4′-diphenylsulfidetetracarboxylic dianhydride is utilized as a material for high-temperature resistant components, taking advantage of its superior thermal stability and chemical resistance. Used in Electronics Industry: 3,3′,4,4′-diphenylsulfidetetracarboxylic dianhydride serves as a crucial ingredient in the creation of polyimide films for electronic applications, leveraging its excellent electrical insulation and heat resistance. Used in Telecommunications Industry: For telecommunications, 3,3′,4,4′-diphenylsulfidetetracarboxylic dianhydride is employed in the development of materials that can withstand the rigors of high-frequency signals and heat, essential for advanced communication technologies.
The CAS Registry Mumber 25884-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,8 and 4 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 25884-43: (7*2)+(6*5)+(5*8)+(4*8)+(3*4)+(2*4)+(1*3)=139 139 % 10 = 9 So 25884-43-9 is a valid CAS Registry Number.