Skip to content

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.

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.

Check your shelf

Find 2-METHYLBUTANOL in your products.

Scan any cosmetic product with LuxSense to see if it contains 2-METHYLBUTANOL 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, so always read the physical product label and consult a healthcare professional for personal concerns.