Trade name FC-8 Chemical name perfluorooctylfluoride CAS No.: 307-35-7 Molecular structure CF3(CF2)7SO2F Molecular formula C8F18O2S Appearance colorless and transparent liquid related density 1.81-1.85 PH value 3-4 Assay ≥90% Application It is the starting materials for the preparation of many fluoro-containing surfactants, which is widely used in the technological fields of textile, leather, paper making, ore dressing, pesticide, electroplating additive, oil field, fire control, photosensitive and synthetic materials, and can meet the special functional requests of different applied fields.