Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride
99%, powder
- Product Code: 149711
Alias:
3,3'4,4'-benzophenone tetracarboxylic dianhydride; 3,3',4,4'-benzophenone tetracarboxylic dianhydride, 5,5'-carbonylbis-1,3-isobenzofurandione
CAS:
2421-28-5
| Molecular Weight: | 322.23 g./mol | Molecular Formula: | C₁₇H₆O₇ |
|---|---|---|---|
| EC Number: | 219-348-1 | MDL Number: | MFCD00005923 |
| Melting Point: | 218-222 °C(lit.) | Boiling Point: | 320°C 5mm |
| Density: | 1.57 g/cm3 | Storage Condition: | Room temperature |
Product Description:
Used primarily in the synthesis of high-performance polyimides, this compound contributes to the production of heat-resistant polymers applied in aerospace, microelectronics, and flexible circuits. Its structure enables strong thermal and oxidative stability, making it suitable for insulating materials and advanced composites. It is also employed in the development of gas separation membranes due to its rigid, aromatic framework that enhances selectivity and permeability control.
Product Specification:
| Test | Specification |
|---|---|
| Appearance | White to Yellow to Orange to Green powder |
| Purity (%) | 98.5-100% |
| Infrared Spectrum | Conforms to Structure |
| NMR | Conforms to Structure |
Sizes / Availability / Pricing:
| Size | Availability | Price | Quantity |
|---|---|---|---|
| 100g | 10-20 days | ฿3,790.00 |
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| 500g | 10-20 days | ฿11,900.00 |
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| 2.5kg | 10-20 days | ฿45,000.00 |
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Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride
Used primarily in the synthesis of high-performance polyimides, this compound contributes to the production of heat-resistant polymers applied in aerospace, microelectronics, and flexible circuits. Its structure enables strong thermal and oxidative stability, making it suitable for insulating materials and advanced composites. It is also employed in the development of gas separation membranes due to its rigid, aromatic framework that enhances selectivity and permeability control.
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