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Perfluorobutanesulfonyl fluoride ( FX-4)
Perfluorobutanesulfonyl fluoride ( FX-4)

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Appearance: clear colorless or slightly yellow liquid
Boiling point: 65-66 C
PH: 3.8-4.8
Assay: 95%min.

Perfluorobutanesulfonyl fluoride ( FX-4)  

 

Structure formula: CF3CF2 CF2CFSO2F

Molecular formula: n- C4F9SO2F

CAS No. 375-72-4

Appearance: clear colorless or slightly yellow liquid

Boiling point: 65-66C

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  

 N.W.: 70KG  ( 50ltr)  / 250KG ( 200ltr)

 

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