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

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

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