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2-METHYLBUTANOL

CAS 137-32-6
65

Safety score · 0–100

Fine

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

About

A branched short-chain aliphatic alcohol used as a solvent and fragrance ingredient. Mild skin and eye irritation potential; safe at low cosmetic use levels but requires proper handling.

2-Methylbutanol (active amyl alcohol) is a branched aliphatic alcohol used as a solvent, denaturant, and fragrance ingredient in cosmetic formulations. It is not listed under EU restriction annexes and has a favourable safety profile at the low concentrations typical of cosmetic use. The compound has mild irritation potential at high concentrations, driving the requirement for appropriate use levels.

Skin benefits

  • Functions as a solvent for fragrance and active ingredients

Known concerns

  • Mild skin and eye irritation at high concentrations
  • Flammable liquid requiring standard handling precautions

References

EU

EU CosIng database

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

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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.