2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3] is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.
Chemical identity and properties

2-Aminophenol hydrochloride
- IUPAC name
- 2-aminophenol;hydrochloride
- Molecular formula
- C6H8ClNO
- Molecular weight
- 145.59 g/mol
- Exact mass
- 145.0294416 Da
- Topological polar surface area
- 46.3 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 2
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
9 more reported names
External database identifiers
- EPA DTXSID:DTXSID4073122
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

2-Aminophenol
2-aminophenol is the aminophenol which has the single amino substituent located ortho to the phenolic -OH group. It has a role as a bacterial metabolite. — ChEBI
- IUPAC name
- 2-aminophenol
- Molecular formula
- C6H7NO
- Molecular weight
- 109.13 g/mol
- Exact mass
- 109.052763847 Da
- XLogP3
- 0.6
- Topological polar surface area
- 46.3 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:18112
- ChEMBL:CHEMBL28319
- EPA DTXSID:DTXSID8024498
- PubMed:26795242
- PubMed:25724174
- PubMed:25622337
- PubMed:23059997
- PubMed:22978667
- PubMed:22969674
- PubMed:22968931
- PubMed:22946548
- PubMed:22877628
- PubMed:22847897
- PubMed:22806194
- PubMed:22796528
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
2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
Chemical / IUPAC name
2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
Regulatory information
SCCS opinions
- Request for a Re-evaluation of hair dyes listed in Annex III to Directive 76/768/EEC on Cosmetic Products
- Opinion concerning Use of Permanent Hair Dyes and Bladder Cancer - Updated 2004
- Opinion on Personal Use of Hair Dyes and Cancer Risk
- Opinion on the Use of Permanent Hair Dyes and Bladder Cancer Risk
- Assessment Strategies for Hair Dyes
- Memorandum on Hair Dye Substances and their Skin Sensitising Properties
- Opinion on o-Aminophenol
Identified ingredients
CMR
| Category | Carcinogenic | Mutagenic | Reprotoxic |
|---|---|---|---|
| Cat. 2 | — | ✓ | — |
Key data
Inventory links for 2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
Related records for 2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
Direct matches are limited for this record, so nearby entries from Annex II are shown as well.
Phytonadione [INCI], phytomenadione [INN]
N-(2-Niro-4-aminophenyl)-allylamine (HC Red No 16) and its salts
Diethylene glycol (DEG); 2,2'-oxydiethanol for traces level, see Annex III
Isopropyl 4-hydroxybenzoate (INCI: Isopropylparaben) Sodium salt or Sats of Isopropylparaben
Polychloro copper phthalocyanine (Pigment Green 7; CI 74260) when used as a substance in hair dye p…
Isobutyl 4-hydroxybenzoate (INCI: Isobutylparaben) /Sodium salt or Salts of Isobutylparaben
Disodium [29H,31H-phthalocyaninedisulphonato(4-)-N29,N30,N31,N32]cuprate(2-) (Direct Blue 86; CI 74…
Phenyl 4-hydroxybenzoate (INCI: Phenylparaben)
(29H,31H-Phthalocyaninato(2-)-N29,N30,N31,N32)copper (Pigment Blue 15; CI 74160) when used as a sub…
Benzyl 4-hydroxybenzoate (INCI: Benzylparaben)
5,12-Dihydroquino[2,3-b]acridine-7,14-dione (Pigment Violet 19; CI 73900) when used as a substance …
Pentyl 4-hydroxybenzoate (INCI: Pentylparaben)
What Annex II means for 2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3] 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.
This record is linked to 2 CosIng inventory ingredients for name and identifier cross-reference. 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 2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3]
This page summarizes one Annex II record for 2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3] 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 2-aminophenol [1]; bis(2-hydroxyanilinium) sulfate [2]; 2-Aminophenol Hydrochloride [3], but confirm any final regulatory decision against the current official annex wording and source files.
Tools & next steps
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