| post date: | dec 26,2021 |
| expiry date: | jun 24,2022 |
| detailed description: |
cas no. :17557-76-5
purity: 99.5%min. appearance: white powder packing 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 |
| molecular structure: | 
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