Perfluorooctanesulfonic acidPerfluorooctanesulfonic acid and its conjugate base perfluorooctanesulfonate) are chemicals having an eight-carbon fluorocarbon chain and a sulfonic acid or sulfonate functional group. Collectively, the two species are called PFOS. The acid is an example of perfluorosulfonic acid. The acid and the sulfonate salts are… Read from the Chembox of the Wikipedia article Perfluorooctanesulfonic acid, revision 1380128006.

Property

Value

Formula

C8HF17O3S, 500.12 g/mol

Boiling point

133 °C

pKa

The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.