3,3',4,4'-Biphenyltetracarboxylic dianhydride powder

3,3',4,4'-Benzophenonetetracarboxylic dianhydride pack

3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5

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

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.

规格

项目	规格
沸点	320°C 5mm
密度	1,57 g/cm3
熔点	218-222 °C (lit.)
闪点	324 °C
电阻率	1.6380 (estimate)
储存条件	惰性气氛中，室内温度

应用

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.