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3,3′,4,4′-benzophenonetetracarboxylic dianhydride/btda cas 2421-28-5

Assay: ≥ 99.5 %

Appearance: White to pale yellow powder

Capacity: 300tons/year

Packaging: 25kgs/drum

Sample: available




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:BTDA CAS 2421-28-5

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

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