Description
Product Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride BTDA
CAS: 2421-28-5
MF: C17H6O7
MW: 322.23
EINECS: 219-348-1
Melting point: 218-222 °C (lit.)
Boiling point: 320°C 5mm
Density: 1,57 g/cm3
Vapor density: 1.4 (vs air)
Vapor pressure: <0.1 mm Hg ( 0 °C)
Refractive index: 1.6380 (estimate)
Fp: 324 °C
BRN: 761777
Specification
| Product name |
3,3',4,4'-Benzophenonetetracarboxylic dianhydride BTDA |
| CAS |
2421-28-5 |
| Appearance |
White powder |
| Purity |
99%Min |
| Package |
1 kg/bag or 25 kg/drum |
Application
1. BTDA is important monomer of polyimide, and used for production of polyimide material.
2. Used in the synthesis of polyimides.
3. BTDA polymer fine free-flowing powder suitable for general purposes. BTDA Microfine Micronized powder facilitates mixing in epoxy resins. BTDA ultrapure high-purity, high-assay powder for critical polyimide synthesis.