sell 4,4'-oxydiphthalic anhydride

4,4'-oxydiphthalic anhydride be used for the preparation of a polyimide material.

Bis-(3-phthalyl anhydride) ether

4,4'-oxydiphthalic anhydride

Molecular Formula:C16H6O7

Molecular Weight:310.22

CAS:1823-59-2

Melting point:225-229 ºC

Purity:Above 99.5%

4,4'-oxydiphthalic anhydride be used for the preparation of a polyimide material.