Nonafluorobutanesulfonyl fluoride CAS NO.375-72-4

Chemical Name: FX-4(perfluorobutylsulfonylfluoride) Chemical Type: Fluoro containing chemical Structure formula: CF3CF2 CF2CFSO2F Molecular form…

Chemical Name: FX-4(perfluorobutylsulfonylfluoride) Chemical Type: Fluoro containing chemical Structure formula: CF3CF2 CF2CFSO2F Molecular formula: n- C4F9SO2F CAS No. 375-72-4 Appearance: clear colorless or slightly yellow liquid Boiling point: 65-66?C Refractive index(n25D): 1.2810 Density (d420): 1.750-1.700 Assay: 95% ( Chromatographic analysis) PH: 3.8-4.8 Physical properties: Insoluble in water, it can hydrolyze in alkali to produce nonafluorobutanesulfo salt, then acidize to obtain nonafluorobutanesulfonic acid. Application: its properties is similar to perfluorooctanesulfonyl fluoride, it can be used to synthesize multi-kind of fluoro surfactant, its Potassium salt C4F9SO2K is a very good anion surfactant, also a best fire retardant for polycarbonate. Package: 50Liter or 200Liter / iron drum, inner lined with plastic