. Author manuscript; available in PMC: 2024 Jan 15.

Published in final edited form as: Toxicol Appl Pharmacol. 2022 Dec 16;459:116355. doi: 10.1016/j.taap.2022.116355

Table 6.

Select Properties of Assessed Polar PFAS Analytes

Chemical Name	Molecular Formula	Average MW (g/mol)	Water Solubility (mol/L)	LogK_ow
Trifluoromethanesulfonic acid	CHF₃O₃S	150.07	0.331	0.42
Trifluoroacetic acid	C₂HF₃O₂	114.02	8.744	0.65
Tetrafluorosuccinic acid	C₄H₂F₄O₂	190.05	1.571	1.11
Perfluoropropanoic acid (PFPrA)	C₃HF₅O₂	164.03	0.147	1.42
Hexafluoroglutaric acid	C₅H₂F₆O₂	240.06	0.145	1.90
Perfluorobutane sulfonate (PFBS)	C₄HF₉O₃S	300.09	0.007	3.12
Perfluorobutanoic acid (PFBA)	C₄HF₇O₂	214.04	0.002	1.43
Octafluoroadipic acid	C₆H₂F₈O₄	290.07	0.002	2.33
Hexafluoroglutaryl chloride	C₅Q₂F₆O₂	276.94	0.005	2.96
Perfluoro-3,6-dioxaoctane-1,8-dioic acid	C₆H₂F₈O₆	322.06	1.150	2.12

Water solubility and Log_Kow are predicted (Mansouri et al. 2019); other values were obtained from the US EPA CompTox Chemicals Dashboard (https://comptox.epa.gov/dashboard/).