FC-4[perfluorobutylsulfonylfluoride)(CAS.:375-72-4) CAS No.: 375-72-4 Serial number A010 Trade name FX-4 Chemical name perfluorobutylsulfonylfluoride Assay ≥95% Appearance colorless and transparent liquid related density@20°C 1.700-1.750 boiling point 65-66°C PH value 3.8-4.8 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. Package 5kg×20bottle/per box Shipment general chemical
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