FX-4 PerfluorobutylsulfonylfluorideCas no:375-72-4FX-4 Perfluorobutylsulfonylfluoride
Cas no:375-72-4
Assay:95%
Appearance: colorless and transparent liquid
Application: It is the homologue of perfluorooctylsulfonylfluoride and can be used to synthetize various of special perfluoro surfactants. Its potassium salt is an excellent anion surfactant and fire retardant for polycarbonate.