Product Description
FT-4(Perfluorobutylsulfonylfluoride)
- Trade name: FT-4
- CAS No.: 375-72-4
- MF: C4F9SO2F
- Appearance: clear colorless or slightly yellow liquid
- Boiling point: 65-66 oC
- Refractive index(n25D): 1.2810
- Density (d420): 1.750-1.700
- Assay: 99% ( GC)
- PH: 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.