DSDA

• Post Date:

  Jul 05,2025

• Expiry Date:

  Jan 01,2026

• Detailed Description:

  Cas No. :2540-99-0 Purity: 99.5%Min.
  Appearance: White powder
  Packing size: 1kg/bag；
  Application: PI film, Polyimide composite material, etc.
  
  For details, please contact the Sales Manager:
  Mr.Ye 18222275652; Ms. Cao 18222265956; Sales department: 022-83726202-8855

• CAS Registry Number:

  2540-99-0

• Synonyms:

  ;3,3,4,4-Diphenylsulfonetetracarboxylic dianhydride;5,5'-sulfonylbis(2-benzofuran-1,3-dione);3,3'-4,4'-Tetra Carboxylic acid and Anhydride Diphenyl Sulfone;3,3',4,4'-DIPHENYLSULFONETETRACARBOXYLIC DIANHYDRIDE;

• Molecular Formula:

  C₁₆H₆O₈S

• Molecular Weight:

  358.279

• Molecular Structure:

  

• Company:

  CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.     [ China ]          

• Contact:

  Franz Xiao

• Tel:

  18222205756

• Fax:

  022-83726700

• Email:

  sales6@chinatechem.com