Perfluorooctanesulfonic acid

全氟辛烷磺酸

Also known as: PFOS, Perfluorooctane sulfonic acid, Heptadecafluorooctanesulfonic acid, 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, 1-perfluorooctanesulfonic acid, nPFOS, perfluorooctane-1-sulfonic acid, perfluorooctylsulfonic acid, perfluorooctane sulfonate

Perfluorooctanesulfonic acid (CAS 1763-23-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8HF17O3S and a molecular weight of 500.130 g/mol. It is also known as PFOS, Perfluorooctane sulfonic acid and Heptadecafluorooctanesulfonic acid. Key properties include a melting point of 90 °C, a boiling point of 260 °C, a density of 1.8±0.1 g/cm3 and a flash point of 11 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1763-23-1

Jingsj CID

J-50066-7

Molecular Formula

C₈HF₁₇O₃S

Chinese Name

全氟辛烷磺酸

Molecular Weight

500.130 g/mol

Category

Organic Acids

Last updated

8/21/2026