1.0 2016-05-19 03:38:42 UTC 2026-08-23 03:07:40 UTC 1,1,2,2,3,3,4,4,5,5,5-Undecafluoro-1-pentanesulfonic acid SmallMolecule 1,1,2,2,3,3,4,4,5,5,5-Undecafluoro-1-pentanesulfonic acid is an organic compound with the chemical formula C5HF11O3S and an average molecular weight of 350.10 g/mol. 1,1,2,2,3,3,4,4,5,5,5-Undecafluoro-1-pentanesulfonic acid belongs to the alkyl fluorides, a subclass of alkyl halides within the organic compounds. The substance is found in or released from 14 recorded sources across several sectors. Within electrical and electronic equipment, it is associated with capacitors, cell phones, batteries, wires and cables, printed circuit boards, and one additional source. In the realm of food, food processing and cookware, it is found in food contact materials and food packaging. It is also present in textiles, leather and furnishings, specifically in carpets, rugs, and synthetic textiles. Other sources include lubricants used in industrial manufacturing, chemical processing, and the energy, oil and gas sectors, as well as medical devices within healthcare, pharmaceuticals and veterinary products. One additional sector is also recorded. Human exposure to this compound occurs through recorded routes of inhalation, oral ingestion, and touch. PFAS C5HF11O3S 350.1 349.947074859 undecafluoropentane-1-sulfonic acid undecafluoropentane-1-sulfonic acid 2706-91-4 OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F InChI=1S/C5HF11O3S/c6-1(7,2(8,9)4(12,13)14)3(10,11)5(15,16)20(17,18)19/h(H,17,18,19) ACEKLXZRZOWKRY-UHFFFAOYSA-N Organic compounds Organohalogen compounds Alkyl halides Alkyl fluorides Perfluoroalkyl sulfonic acid and derivatives Alkanesulfonic acids Hydrocarbon derivatives Organic oxides Organofluorides Organosulfonic acids Sulfonyls Aliphatic acyclic compound Alkanesulfonic acid Hydrocarbon derivative Organic oxide Organic oxygen compound Organic sulfonic acid or derivatives Organofluoride Organosulfonic acid Organosulfonic acid or derivatives Organosulfur compound Perfluoroalkyl sulfonic acid or derivatives Sulfonyl Aliphatic acyclic compounds Detected and Not Quantified logp 3 logp 3.32 ALOGPS logs -3.43 ALOGPS solubility 1.29e-01 g/l ALOGPS logp 3.33 ChemAxon pka_strongest_acidic -3.3 ChemAxon iupac undecafluoropentane-1-sulfonic acid ChemAxon average_mass 350.1 ChemAxon mono_mass 349.947074859 ChemAxon smiles OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ChemAxon formula C5HF11O3S ChemAxon inchi InChI=1S/C5HF11O3S/c6-1(7,2(8,9)4(12,13)14)3(10,11)5(15,16)20(17,18)19/h(H,17,18,19) ChemAxon inchikey ACEKLXZRZOWKRY-UHFFFAOYSA-N ChemAxon polar_surface_area 54.37 ChemAxon refractivity 36.97 ChemAxon polarizability 16.22 ChemAxon rotatable_bond_count 5 ChemAxon acceptor_count 3 ChemAxon donor_count 1 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7222aacf80> 75922 68427