| post date: | dec 26,2021 |
| expiry date: | dec 26,2022 |
| detailed description: |
cas no. :2420-87-3
purity: 99.5%min./ 99.9%min. appearance: white powder metal ions: 1ppm max. for one single metal ions packing size: 1kg/bag；20kg/drum application: thermoplastic polyimide material, pi film etc. for details, please contact the sales manager: mr.ye 18222275652; ms. cao 18222265956; sales department: 022-83726202-8855 |
| cas registry number: | 2420-87-3 |
| synonyms: | ;3,3,4,4-biphenyltetracarboxylic dianhydride;biphthalicanhydride;4,4-biphthalic anhydride;3,3'4,4'-biphenyl tetracarboxylic acid dianhydride;3,4'3'4'-biphenyl-tetracarboxylic acid dianhydride;bpda;2,3,3',4-biphenyl-tetracarboxylic acid dianhydride;s-bpda;3,3',4,4'-biphenyltetracarboxylic acid dianhydride;5,5'-bi-2-benzofuran-1,1',3,3'-tetrone;3,3,4,4,-biphenyltetracarboxylic dianhydride;3,3',4,4'-biphenyltetracarboxylic dianhydride;s-bpda;5,10,4-buta[1,3]diene[1,2,4]triyl-2,7-benzodioxecine-1,3,6,8-tetrone;diphenyl-3,3',4,4'-tetracarboxylic dianhydride;3,3',4,4'-biphenyltetracarboxylic dianhydride (s-bpda);3,3',4,4'-biphenyl tetracarboxylic dianhydride;3,3'4,4'-biphenyl tetracarboxylic acid dianhydride(s-bpda);3,3',4,4'-biphenyl tetracarboxylic dianhydride;3,3',4,4'-biphenyltetracarboxylic dianhydride(bpda); |
| molecular formula: | c16h6o6 |
| molecular weight: | 294.2152 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r36/37/38:; |
| safety description: | s26:; s36:; |
