What is 3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5?
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.
Specificatie
Item |
Specificatie |
Boiling point |
320°C 5mm |
Dichtheid |
1,57 g/cm3 |
Smeltpunt |
218-222 °C (lit.) |
flash point |
324 °C |
weerstand |
1.6380 (estimate) |
Opslag omstandigheden |
Inerte atmosfeer,kamertemperatuur |
Toepassing
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.
Verpakking
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