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2-Methyl-1-butanol

CAS 34713-94-5

Also registered as 1 other CAS number

137-32-6

2-Methyl-1-butanol chemical structure

Concern score

Not assessed — no hazard data yet.

2-Methyl-1-butanol in plain language

What it is

On cosmetic ingredient lists it appears as “2-METHYLBUTANOL”.

Also known as 2-METHYLBUTANOL · (±)-2-METHYL-1-BUTANOL · (+/-)-2-METHYL-1-BUTANOL · 2-METHYL-1-BUTANOL,(±)- · 2-METHYL-N-BUTANOL · 2-Methylbutan-1-ol

Show all 21 names

Active primary amyl alcohol · Primary active amyl alcohol · (.+-.)-2-Methyl-1-butanol · 1-Butanol, 2-methyl- · 2-METHYL-1-BUTANOL,(+/-)- · 2-Methyl butanol-1 · 2-Methylbutyl alcohol · 2-methylbutane-1-ol · 2-metilbutan-1-ol · Active amyl alcohol · DL-2-Methyl-1-butanol · Pentyl alcohol mixed amyl alcohol · Sec-Butylcarbinol · dl-sec-Butyl carbinol · isoamyl alcohol secondary (2-methyl 1-butanol)

What it does

Used in cosmetics as a fragrance ingredient.

  • Perfuming
  • Solvent
  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. 2-Methyl-1-butanol appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Home maintenance, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient, Solvent.
    • EPA CPDat observed this chemical in 3 composition records across product categories including Home maintenance, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient, Solvent.Source →
  • 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-Methyl-1-butanol. 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-Methyl-1-butanol yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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

    Open →
Reference links (1)
Openfda substance

thegoodscentscompany.com

Read →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed 2-Methyl-1-butanol in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

6

Home maintenanceLaboratory supplies

Typical roles

PerfumingSolventFragranceFlavouring
See products using 2-Methyl-1-butanol →