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Butyl 2-methylbutyrate

CAS 15706-73-7

Also registered as 2 other CAS numbers

45706-73-7 · 144831-53-8

Butyl 2-methylbutyrate chemical structure

Concern score

Not assessed — no hazard data yet.

Butyl 2-methylbutyrate in plain language

What it is

Also known as Butyl 2-METHYL butyrate · N-butyl 2-METHYL butyrate · Butanoic acid, 2-METHYL-, butyl ester · Butyl 2-methylbutanoate · BUTYL-2-METHYLBUTYRATE · Butyric acid, 2-methyl-, butyl ester

Show all 11 names

WE(4:0/4:0(2Me)) · alpha-Butyl 2-methylbutylate · butyl 2-methyl-butanoate · n-Butyl 2-methylbutyrate · n-Butyl-2-methylbutyrate (natural)

What it does

Used in consumer products as a fragrance ingredient and a flavouring.

  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Butyl 2-methylbutyrate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Butyl 2-methylbutyrate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • 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 →

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 Butyl 2-methylbutyrate in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using Butyl 2-methylbutyrate →