Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts
Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.
Chemical identity and properties
Sodium heptadecafluorononanoate
- IUPAC name
- sodium 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoate
- Molecular formula
- C9F17NaO2
- Molecular weight
- 486.06 g/mol
- Exact mass
- 485.9524523 Da
- Topological polar surface area
- 40.1 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 19
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
External database identifiers
- EPA DTXSID:DTXSID50896632
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Perfluorononanoic acid
Perfluorononanoic acid is a fluoroalkanoic acid that is nonanoic acid in which all of the hydrogens in the alkyl chain are replaced by fluorines. It has a role as a surfactant, a xenobiotic and a persistent organic pollutant. It is functionally related to a nonanoic acid. — ChEBI
- IUPAC name
- 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoic acid
- Molecular formula
- C9HF17O2
- Molecular weight
- 464.08 g/mol
- Exact mass
- 463.9705080 Da
- XLogP3
- 5.6
- Topological polar surface area
- 37.3 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 19
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:38397
- ChEMBL:CHEMBL426404
- EPA DTXSID:DTXSID8031863
- PubMed:33483757
- PubMed:32717646
- PubMed:32588087
- PubMed:32534105
- PubMed:31730470
- PubMed:30661753
- PubMed:30203046
- PubMed:30114225
- PubMed:29156323
- PubMed:29112762
- PubMed:28857218
- PubMed:28558994
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Ammonium perfluorononanoate
- IUPAC name
- azanium 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoate
- Molecular formula
- C9H4F17NO2
- Molecular weight
- 481.11 g/mol
- Exact mass
- 480.9970571 Da
- Topological polar surface area
- 41.1 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 19
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
4 more reported names
External database identifiers
- EPA DTXSID:DTXSID20880205
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Record details
Chemical name
Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts
Chemical / IUPAC name
Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts
Regulatory information
CMR
| Category | Carcinogenic | Mutagenic | Reprotoxic |
|---|---|---|---|
| Cat. 1B | — | — | ✓ |
Key data
Related records for Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts
Direct matches are limited for this record, so nearby entries from Annex II are shown as well.
Difethialone (ISO); 3-[3-(4′-bromobiphenyl-4-yl)-1,2,3,4-tetrahydronaphthalen-1-yl]- 4-hydroxy-2H-1…
Bromadiolone (ISO); 3- [3-(4′-bromobiphenyl- 4-yl)-3-hydroxy-1-phenylpropyl]-4-hydroxy- 2H-chromen-…
3,7-Dimethylocta-2,6- dienenitrile
Bupirimate (ISO); 5-butyl-2-ethylamino-6- methylpyrimidin-4-yl dimethylsulfamate
Triflumizole (ISO); (1E)-N-[4-chloro-2-(trifluoromethyl)phenyl]-1- (1H-imidazol-1-yl)-2- propoxyeth…
Acetochlor (ISO); 2- chloro-N-(ethoxymethyl)-N-(2-ethyl-6- methylphenyl)acetamide
Flocoumafen (ISO); reaction mass of: cis-4- hydroxy-3-(1,2,3,4-tetrahydro-3-(4-(4-trifluoromethylbe…
1,2,4-Trihydroxybenzene when used as a substance in hair and eyelash dye products
What Annex II means for Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts
Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.
Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.
The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Verify this substance is absent from all raw materials and finished formulations.
- Request absence confirmation or CoA from raw material suppliers.
- Document the screening result in the Product Information File (PIF).
- This substance has CMR classification. Review the CMR table above and verify current Annex II/III status before use.
Frequently asked questions
Source note for Annex II record Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts
This page summarizes one Annex II record for Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex II conditions for Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts, but confirm any final regulatory decision against the current official annex wording and source files.
Tools & next steps
Check your formula
Paste a full INCI list to detect Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts and other flagged EU annex records in one pass.
INCI CheckerCompare entries
Compare Perfluorononan-1-oic acid [1] and its sodium [2] and ammonium [3] salts side by side with another annex record to review differences in restrictions, concentrations and annex placement.
CompareBrowse the annex
See all records in Annex II and compare regulatory conditions across substances in this annex.
Open Annex II