CAS: 2421-28-5
Molecular Formula: C17H6O7
Molecular Weight: 322.23
EINECS: 219-348-1
Synonyms: 3,3′,4,4′-Benzophenonetetracarboxylic acid dianhydride; 3,3′,4,4′-Tetracarboxybenzophenone dianhydride; 3,3’,4,4’-benzophenonetetracarboxylicaciddianhydride; BENZOPHENONETETRACARBOXYLIC ACID DIANHYDRIDE; BENZOPHENONE-TETRACARBOXYLIC-DIANHYDRIDE; BTDA~4,4-Carbonyldiphthalic anhydride
3,3 ‘, 4,4’ – Benzophenonetetracarboxylic dianhydride is a brownish crystalline powder. The melting point of this substance is 218.67 ° C, and it decomposes at 360 ° C. The spontaneous combustion temperature is very high, and no flammability was observed. The density of the substance is 1.5452g/ml, and the vapor pressure is 6.53E-011Pa.
| Item | Specification |
| Boiling point | 320°C 5mm |
| Density | 1,57 g/cm3 |
| Melting point | 218-222 °C (lit.) |
| flash point | 324 °C |
| resistivity | 1.6380 (estimate) |
| Storage conditions | Inert atmosphere,Room Temperature |
BTDA is used as an intermediate in the manufacturing of plastic products or fine chemicals in the industrial sector. Polymer monomer, used for synthesizing high-temperature resistant polymer materials.
Usually packed in 25kg/drum,and also can be do customized package.
