4056 Perfluorooctane sulfonamide Perfluorooctane sulfonamide perfluoroalkyl chemical (PFC). PFCs have been frequently detected in both the environment and in plants fish and animals. It is a metabolic breakdown product of Perfluorooctane sulfonate (PFOS). PFOS has been used in a wide variety of industrial and consumer products including protective coatings for carpets and apparel, paper coatings, insecticide formulations, and surfactants. Like many PFCs, it is persistent and bioaccumulative. PFCs are thought to be endocrine disruptors. Many are known toxicants and carcinogens. 754-91-6 69785 C8H2F17NO2S 499.15 White powder. No indication of carcinogenicity to humans (not listed by IARC). 2014-08-29T04:49:00Z 2026-04-17T19:02:35Z true NS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F C8H2F17NO2S InChI=1S/C8H2F17NO2S/c9-1(10,3(13,14)5(17,18)7(21,22)23)2(11,12)4(15,16)6(19,20)8(24,25)29(26,27)28/h(H2,26,27,28) RRRXPPIDPYTNJG-UHFFFAOYSA-N 499.145 498.953478488 Exogenous Solid CHEMBL1087375 62984 CHEM002962 DTXSID3038939 60.160000000000004 52.51430000000003 22.948250186370746 8 2 1 3.366319958602696 -1 0 4.33 -3.93 5.92e-02 g/l