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CAS No. : 375-72-4
Formula: n-C4F9SO2F
Molecular Weight: 302.1
Appearance: colorless or slightly yellow liquid
Proportion (d20D): 1.700-1.750
Refractive index (n25D): 1.2810
Boiling point: 65-66 ℃
pH: 3.8-4.8
Content: ≥ 98%
Application: It is the homologue of perfluorooctylsulfonylfluoride and can be used to synthetize various of special perfluoro surfactants. Its potassium salt is an excellent anion surfactant and fire retardant for polycarbonate.
perfluorobutylsulfonylfluoride
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