【Chemical Name】 3,3',4,4'-Benzophenonetetracarboxylic dianhydride(BTDA)
【Other Name】 Benzophenone-3,3',4,4'-tetracarboxylic dianhydride; 4,4'-Carbonyldiphthalic anhydride;
【CAS No.】 2421-28-5
【Molecular Formula】 C17H6O7
【Packing】 1kg/bag
What it is BTDA
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BTDA is an aromatic dianhydride used to make polyimides that must
keep their mechanical and electrical properties at high temperature
- films, resins, composites and fibres - and as an anhydride curing
agent for heat-resistant epoxy systems such as motor insulation and
electronic encapsulation.
【Product Specification】
Items | Specifications |
Appearance | White powder |
Purity (HPLC) | ≥99.5% |
Melting Point | 218-299℃ |
Every batch is released only if it falls inside the window above.
COA is issued per batch and available before ordering or with shipment.
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