Sell perfluobutanesulfonyl fluoride(CAS. :375-75-4)

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FC-401(perfluorobutanesulfonyl fluoride)
Structural formula : CF3CF2CF2CF2SO2F
Molecular formula: C,4F10SO2
CAS No. 375-75-4
Content: 95%(min. )
Appearance: colorless to yellowish liquid
Density: 1.700-1.7500
Refractive index(nD25) : 1.2810
Boiling point: 65-660C
PH value: 3.8-4.8
Package: 2W5kg per plastic barrel in carton
Storage and shipment: general chemicals
Application: As similar to perfluorooctanesulfnyl fluoride in the structure, it is used to synthesize
various fluoro-containing surfactants. For example, potassium salt of perfluorobutanesulfonate
is an excellent anion surfactant, and used as the best fire retardant for polycarbonate materials.