Perfluorobutanesulfonyl fluoride / FX-4( CAS:375-72-4)

Specification  

Items	Technical index
Appearance	Clear colorless or slightly yellow liquid
Assay(GC)	95% min
Boiling point	65-66'C
PH	3.8-4.8
Density(d420)	1.750-1.700
Refractive index(n25D)	1.2810

  Physical properties: Insoluble in water, it can hydrolyze in Alkali to produce nonafluorobutanesulfo salt, then acidize to obtain nonafluorobutanesulfonic acid.   Production method:                HF                     C4F9SO2Cl  --------- >  C4F9SO2F   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 coating N.W.: 70KG  ( 50ltr)  / 250KG ( 200ltr).        

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Product Categories : Organic Fluoro Chemicals