CAS No.375-72-4
Trade name:FC-4
Chemical name:perfluorobutylsulfonylfluoride
Assay:≥95%
Appearance:colorless and transparent liquid
related density@20°C:1.700-1.750
boiling point:65-66°C
PH value:3.8-4.8
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.