Detail
Name | 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride; 6FDA |
Synonyms | 2,2-Bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane |
Molecular Formula | C19H6F6O6 |
Molecular Weight | 444.24 |
CAS Registry Number | 1107-00-2 |
EINECS | 214-170-0 |
Appearance | White to light-gray coarse powder |
Assay | ≥99.5% |
Water content | ≤0.1% |
Metal ions content | ≤5ppm |
Package | 20kg / cardboard barrel |
Usage | 6FDA is a polyimide monorner based fluoroalkylene dianhydride mainly used to produce specialty polymeric material-fluorinated polyimides it is also useful in optical communication micnwave filters and liquid crystal oriented film |