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3,3’,4,4’-Benzophenonetetracarboxylic Dianhydride(CAS:2421-28-5)
3,3’,4,4’-Benzophenonetetracarboxylic Dianhydride(CAS:2421-28-5)

3,3’,4,4’-Benzophenonetetracarboxylic Dianhydride(CAS:2421-28-5)

Product name: 3,3’,4,4’-Benzophenonetetracarboxylic Dianhydride

CAS No.：2421-28-5

Molecule Formula：C17H6O7

Molecule Weight：322.22

Purity: 99%

Package: 25kg/drum

Description：Light yellow powder

Manufacture Standards：Enterprise Standard
INQUIRY
Description
TESTING ITEMS      SPECIFICATIONS RESULTS
Appearance Light yellow powder Conforms
Loss on drying ≤0.50% 0.08%
Assay ≥99.0% 99.9%
Conclusion:        
The Product Conforms to Enterprise Standard.
Mark Cathy