sell 3,3',4,4'-biphenyltetracarboxylic dianhydride

3,3',4,4'-biphenyltetracarboxylic dianhydride

Molecular Formula:C16H6O6

Molecular Weight:294.22

CAS:2420-87-3

EINECS:219-342-9

Melting point:299-305 ºC

Purity:99.9%

3,3',4,4'-biphenyltetracarboxylic dianhydride be used for the preparation of a polyimide material.