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4'4′- Carbonyldiphthalic anhydride
［BTDA］
| Formula |  |
|---|---|
| IUPAC or Common name | 3'3′'4'4′-Benzophenonetetracarboxylic dianhydride |
| Mole. Wt. | 322.23 |
| Composition formula | C17H6O7 |
| CAS No. | 2421-28-5 |
| Application | Raw materials for polyimide resin' epoxy resins and polyester resins |
| Packing | Fiber drum(120kg)'Can(15kg) |
♦Product standard
| Appearance | Pale yellow powder |
|---|---|
| Melting Point (℃) | 225.0 min |
| Assay (%) | 98.0 min |
*Please look at MSDS about detailed product information, including regulation relation etc.
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