CAS Registry Number

CAS 307-35-7 — Perfluorooctanesulfonyl fluoride

Perfluorooctanesulfonyl fluoride (C8F17SO2F) is a highly fluorinated organosulfur compound used primarily as a precursor in the synthesis of perfluorooctanesulfonate (PFOS) derivatives for industrial applications, including fluoropolymers, surfactants, and specialty chemicals. It is also employed in analytical chemistry for derivatization in mass spectrometry. This chemical has a CAS number of 307-35-7, with no signal word classification under GHS. It is a clear, colorless liquid with a boiling point of approximately 150°C and is highly stable under normal conditions. Molekula supplies Perfluorooctanesulfonyl fluoride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.