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| Post Date: | Dec 26,2021 |
| Expiry Date: | Jun 24,2022 |
| Detailed Description: |
Cas No. :2421-28-5
Purity: 98%Min. / 99.5%Min. Appearance: Light yellow powder / White powder Packing size: 1kg/bag；20kg/drum ; 115kg/drum Application: Polyimide foam, epoxy resin material, etc. For details, please contact the Sales Manager: Mr.Ye 18222275652; Ms. Cao 18222265956; Sales department: 022-83726202-8855 |
| CAS Registry Number: | 2421-28-5 |
| Synonyms: | ;BTDA;4,4-Carbonyldiphthalic anhydride;benzophenone-3,3:4,4-tetracarboxylic dianhydride;BTDA;3,3,4,4-Benzophenontetracarbonsaeuredianhydride;1,3-Isobenzofurandione, 5,5'-carbonylbis-;3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-Tetracarboxybenzophenone dianhydride;3,3',4,4'-benzophenonetetracarboxylicaciddianhydride;3-Isobenzofurandione,5,5'-carbonylbis-1;4,4'-Carbonylbis[phthalic anhydride];4,4'-Diphthalic anhydride ketone;5,5'-carbonylbis-3-isobenzofurandione;5,5'-carbonylbis(2-benzofuran-1,3-dione);3,3',4,4'-Benzophenone tetracarboxylic dianhydride;Benzophenone-3,3',4,4'-tetracarboxylic dianhydride;3,3,4,4-Benzophenonetetracarboxylic dianhydride; |
| Molecular Formula: | C17H6O7 |
| Molecular Weight: | 322.2253 |
| Molecular Structure: |  nload="javascript:DrawImage(this);">
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| Hazard Symbols: | |
| Risk Codes: | R36/37:; |
| Safety Description: | S25:; |