IUPAC Name: 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonic acid
Source: Used in many consumer products as a water repellent and surfactant.
Summary: Perfluorobutanesulfonic acid is a member of the PFAS. It has uses in consumer products as a water repellent and surfactant. It is soluble in water up to 344 mg/L and has a density of 1.811 g/mL at 25 C. It has an acid dissociation constant of -3.31. If it exists in the atmosphere in the vapor-phase it will be degraded by hydoxyl radicals with a reaction half-life of 115 days. A Koc value of 180 indicates moderate mobility within soil.
GHS Hazard Statement: H302, H314, H319, GHS05, GHS07