Description
3,3′,4,4′-benzophenonetetracarboxylic dianhydride/btda
CAS 2421-28-5 Details
Chemical Name:BTDA
CAS No.:2421-28-5
Molecular Formula:C17H6O7
Molecular Weight:322.23
MolecularStructure:
Appearance:White to pale yellow powder
CAS 2421-28-5 Typical Properties
Item
Results
Appearance
White to pale yellow powder
Assay
≥ 99.5 %
Melting point ℃
219~226
Ca
≦2PPM
Fe
≦2PPM
Cu
≦2PPM
CAS 2421-28-5 Usage
Polymeric monomer for synthesizing high temperature resistant polymer materials
CAS 2421-28-5 Packaging and Shipping
Packing: 25kg/drum
CAS 2421-28-5 Storage
Stored in cool dry ventilated place away from fire, heat, light, acids and food materials
