sell 4,4'-(hexafluoroisopropylidene)diphthalic anhydride; 2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane; 6FDA

4,4'-(hexafluoroisopropylidene)diphthalic anhydride

2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane

Molecular Formula: C19H6F6O6

Molecular Weight: 444.24

CAS Registry Number: 1107-00-2

EINECS  214-170-0

Melting point  244-247 ºC

Purity: 99.5%

4,4'-(hexafluoroisopropylidene)diphthalic anhydride (2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane) be used for the preparation of a polyimide material.