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
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