FC-9 (N-ethyl, perfluorooctylsulfonylamide) Structural formula: CF3(CF2)7SO2NHCH2CH3 Molecular formula:C10H6F17O2NS Molecular weight: 527 Appearance: yellowish wax Melting point: 88-90癈 Characteristics: It can quite dissolve in alcohol, acetone, and the other organic solvents, while the solution appears amber. Application: (1)It is chemical intermediates for synthesis of perfluorooctylsulfonyl acrylate. (2) It is used as an pesticide to kill ant, cockroach, white ant and other reptile insects.