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Perfluorobutanesulfonyl fluoride |
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Index No.: | km-171 |
Products Name | Perfluorobutanesulfonyl fluoride |
CAS No.: | 375-72-4 |
Introduction |
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Code:km-171 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: 65-66℃ Refractive index(n25D): 1.2810 Density (d420): 1.750-1.700 Assay: 95% min.(GC) PH: 3.8-4.8
Insoluble in water, it can hydrolyze in alkali to produce nonafluorobutanesulfo salt, then acidize to obtain nonafluorobutanesulfonic acid.
Production method: HF C4F9SO2Cl --------- > C4F9SO2F
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.
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