FX-8 (Perfluorooctanesulfonylfluoride) Structural formula: CF3(CF2 )7 SO2 F Molecular Formula: C8F18O2S Formular weigh: 502 CAS.NO. 307-35-7 Content : 90%Appearance: colorless to yellowish transparent liquid Boiling point: 154.5癈 Melting point: -18 to ?0癈 Density(20癈): 1.81-1.85(g/ml)Refractive index (n25D) : 1.299 P H value: 3-4 Package: 2?kg per plastic barrel in carton Storage and shipment: general chemicals Application: This product is one of the start materials for the preparation of fluoro-containing surfactants that is widely used in the industry of textile, leather, paper making, ore dressing, pesticide, electroplating, oil field, fire protection, photosensitive and synthetic materials, and can meet the special functional requests of different application fields.