High Quality Perfluorobutanesulfonyl Fluoride CAS No. 375-72-4

• CAS No.: 375-72-4
• Formula: N- C4f9so2f
• EINECS: N/a
• Type: Synthesis Material Intermediates
• Appearance: Liquid
• Quality: Industrial
• Model NO.: km-171
• Colour: Colorless
• Boiling Point: 65-66
• Refractive Index(N25D): 1.2810
• Density (D420): 1.750-1.700
• pH: 3.8-4.8
• Flash Point: 65-66′c
• Transport Package: 50liter or 200liter / Iron Drum, Inner Lined with
• Specification: Assay: 95% min
• Trademark: KMW
• Origin: China
• Production Capacity: 1000kg

Product Description

Code:km-171
Product Name: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: 65-66ºC
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)

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