Perfluorobutanesulfonyl Fluoride - Cas No. 375-72-4, Clear Colorless Liquid, 95% Assay Min, Fire Retardant Surfactant Applications

We are offering our customers a wide range of Perfluorobutanesulfonyl Fluoride, which are available following Specifications :-
Structure formula: CF3CF2 CF2CFSO2F
Molecular formula: n- C4F9SO2F
CAS No. 375-72-4
Appearance: clear colorless or slightly yellow liquid
Boiling point: 65-66a
Refractive index(n25D): 1.2810
Density (d420): 1.750-1.700
Assay: 95% min. ( GC )
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.
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)