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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.