Skip to content

Other

2-METHYL-1-NAPHTHOL

CAS 7469-77-4
45

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

2-methyl-1-naphthol is a cosmetic ingredient used in product formulations. Note: subject to regulatory restrictions in some markets. Exercise caution due to limited available safety data.

This naphthol derivative is listed in EU Cosmetic Regulation Annex III/213, restricting its use to hair dye formulations only and capping concentration at 1% in the finished product. It has documented skin sensitization potential, particularly in individuals with resorcinol sensitivities, and requires specific labeling for safe use.

Known concerns

  • Skin sensitization potential
  • Restricted to hair dye use only in EU (Annex III/213)
  • Cross-reactivity with other naphthols and resorcinol derivatives

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related others

45
1-Methylamino-2- nitro-5-(2,3-dihydroxy-propyloxy)- benzene
Other
 45
2,3-DIMETHYL-4-FORMYL-1-PHENYL-5-PYRAZOLONE
Other
 45
2-(4-Amino-3-nitroanilino)ethanol
Other
 45
2-CYANOMETHOXY-P-PHENYLENEDIAMINE
Other
 45
2-ETHYL-4-HYDROXY-5-METHYLFURAN-3(2H)-ONE
Other
 45
2-[(4-Methoxy-2-nitrophenyl)azo]-3-oxo-N-(o-tolyl)butyramide
Other
 45
4-METHYL-2-PHENYL-2-PENTENAL
Other
 45
5-Amino-4-chloro-2-methylphenol hydrochloride
Other

Check your shelf

Find 2-METHYL-1-NAPHTHOL in your products.

Scan any cosmetic product with LuxSense to see if it contains 2-METHYL-1-NAPHTHOL and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.