Good Cosmetic Ingredient GHS Classified

2-Methylbutanol

INCI: 2-METHYLBUTANOL

CAS Number
137-32-6
Function
Fragrance ingredient; solvent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no FDA restriction; CIR has not issued a separate review (fragrance ingredient reviewed collectively)

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
The substance is irritating to the eyes, skin and respiratory tract. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. The substance may cause effects on the central nervous system.
Long-term Exposure Effects
The substance defats the skin, which may cause dryness or cracking.
Routes of Exposure
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Expert Verdict

Simple branched-chain alcohol; flammable; generally regarded as low concern at cosmetic use levels

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Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is 2-Methylbutanol safe in cosmetics?

Simple branched-chain alcohol; flammable; generally regarded as low concern at cosmetic use levels The EU classifies 2-Methylbutanol as "permitted". Safety rating: GOOD.

Is 2-Methylbutanol allowed in the EU?

2-Methylbutanol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Methylbutanol do in cosmetics?

2-Methylbutanol functions as: Fragrance ingredient; solvent. It is classified as a cosmetic ingredient in our database. CAS number: 137-32-6.

What is the Margin of Safety for 2-Methylbutanol?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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