Perfluoroheptanoic acid (PFHpA)

Safety Summary

Regulatory Status

Sources

No citations are recorded specifically for the human adult context, so the record-wide source list is shown. It backs the record, not this particular band.

• PFHpA Perfluoroheptanoic acid CAS 375-85-9 C7HF13O2 Not IARC Classified; C7 Intermediate Short-Chain (C4-C6) vs Long-Chain (C8+) PFAS Category; ECHA REACH Long-Chain PFCA C7-C18 Definition vs EPA Short vs Long-Chain; Serum Half-Life ~1-2 Years Intermediate PFHxA vs PFOA; PPARα Hepatotoxicity Developmental Thyroid Rodent Potency Intermediate; 6:2 FTOH 7:1 FTOH 8:2 FTOH Atmospheric OH Radical Degradation Precursor; Arctic Snow Ice Remote Atmospheric Deposition; EU DWD 2020/2184 Sum 20 PFAS 0.1 µg/L; EPA UCMR5 EPA Method 537.1 Monitoring; No April 2024 US MCL; WHO 2022 Drinking Water Guidelines PFHpA Included; EU REACH Universal PFAS Restriction 2023 Proposal All PFAS; EU EFSA Sum 20 PFAS Exposure Assessment Development; REACH 2017/1000 C9-C14 PFCA Restriction PFHpA Not Explicitly Covered; Marine Fish Seafood ng/g Levels AFFF Contamination Proximity 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
• PubChem computed properties for CID 67818 (computed, not measured; as recorded by PubChem) DATABASE · 2026
• Toxicological Profile for Perfluoroalkyls (ATSDR, Released May 2021) ASSESSMENT
• EPA CompTox CTX API: predicted properties for DTXSID1037303 (Perfluoroheptanoic acid (PFHpA)) REFERENCE
• ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) REGULATORY
• PubChem computed structure descriptors for CID 67818 (computed, not measured; as recorded by PubChem) DATABASE · 2026

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