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Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride (BTDA)
CAS: 2421-28-5
Assay: ≥99%
Appearance: White powder
Capacity: 500mt/year
MOQ: 100g
Application: Electronic material
Standard: Enterprise export
Synonyms: Benzophenone-3,3',4,4'-tetracarboxylic dianhydride
4,4'-Carbonyldiphthalic anhydride
Molecular Formula: C17H6O7
Molecular Weight: 322.23
CAS Registry Number: 2421-28-5
EINECS: 219-348-1
Melting point: 219-226 ºC
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