2′- dicarboxylic acid

  post date: dec 26,2021   expiry date: jun 24,2022   detailed description: cas no. :17557-76-5 purity: 99.5%min. appearance: white powderpacking size: 1kg/bag； application: cpi 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: 17557-76-5   synonyms: ;4,4′-diamino-[1,1′-biphenyl]-2,2′-dicarboxylic acid;2,2-dicarboxylic acid-4,4′-diaminobiphenyl;   molecular formula: c14h12n2o4   molecular weight: 272.2561…