PFHxS (Perfluorohexane sulfonic acid)

Safety Summary

Regulatory Status

Sources

These citations are the ones recorded for the human adult context.

• IARC Monographs Volume 135 (2023): Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) — PFOA classified Group 1 (carcinogenic to humans); PFOS Group 2B. NOTE: this PFAS was NOT among the agents individually evaluated in Volume 135. REGULATORY · 2023
• US EPA: National Primary Drinking Water Regulations for PFAS (April 2024 Final Rule) — PFHxS Individual MCL 10 ppt; Hazard Index Mixture Grouping REGULATORY · 2024
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• Permissible Exposure Limits – OSHA Annotated Table Z-1 REGULATORY
• Stockholm Convention: All POPs (the Convention's own list of listed chemicals, Annexes A, B and C) REGULATORY
• EPA CompTox CTX API: predicted properties for DTXSID7040150 (PFHxS (Perfluorohexane sulfonic acid)) REFERENCE

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.