Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
- beauty
- industrial
- pharma
2-NAPHTHOL
CAS 26716-78-9 · 100/100 · High conf.
Also registered as 2 other CAS numbers
860440-31-9 · 135-19-3
Concern score
100/100Critical concern based on regulatory listings.
High confidence
2-NAPHTHOL in plain language
Also known as Betanaphthol · 2-Naphthalenol · Isonaphthol · Naphthalen-2-ol · .beta.-hydroxynaphthalene · 2-HYDROXYNAPHTHALENE
Show all 22 names
2-Naftolo · 2-Naphthol (C10H8O) · 2-Naphtol · 2-naftol · Azogen Developer A · B-Naphthol · Beta-naphthol · C.I. Developer 5 · Developer A · Developer AMS · Developer BN · Developer sodium · Naphthol B · beta-Naftolo · beta-Naphtol · beta-Napthol
Used in cosmetics as a hair dye and a fragrance ingredient.
- Hair dyeing
- Perfuming
- Colourant
- Fragrance
- Critical concern: no hazard classifications on record. It is banned in EU cosmetics.
Why it's flagged
2-Naphthol is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — banned
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
Regulation
Restrictions first, then routine listings from published regulatory sources.
- EU Annex II — prohibited
- EU prohibited in cosmetics
- Inactive ingredient in US drugs
- Found in consumer products
- Industrial
- View source →banned
EUEC
Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
USEPAcommercial use observedEPA CPDat observed this chemical in 5 composition records across product categories including Laboratory supplies, Raw materials. EPA CPDat classifies this chemical for functional uses including Fragrance, Dye, Intermediate.
- EPA CPDat observed this chemical in 5 composition records across product categories including Laboratory supplies, Raw materials. EPA CPDat classifies this chemical for functional uses including Fragrance, Dye, Intermediate.Source →
USFDAinactive ingredient databaseRoute: ORAL; Dosage form: CAPSULE; Potency: 0.3 mg
- Route: ORAL; Dosage form: CAPSULE; Potency: 0.3 mgSource →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for 2-NAPHTHOL. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for 2-NAPHTHOL yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EU CosIng Cosmetics Regulation Annexes
regulatory · updated 2010-10-15
- Open →
EPA Chemical and Products Database
exposure · updated January 7, 2008
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA Inactive Ingredient Database
regulatory · updated 2026-01-09
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
- Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Avoid
Where it has been recorded
How often EPA CPDat has listed 2-NAPHTHOL in a product composition. These are source records, not Greenveil catalog products.
Source records
5
Named organisations
4
Laboratory suppliesRaw materials
Typical roles
Hair dyeingPerfumingColourantFragrance