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5-Methyl-2-hexanone

CAS 110-12-3

5-Methyl-2-hexanone chemical structure

Concern score

Not assessed — no hazard data yet.

5-Methyl-2-hexanone in plain language

What it is

Also known as Isopentyl methyl ketone · 5-Methylhexan-2-one · (CH3)2CHCH2CH2COCH3 · 2-Hexanone, 5-methyl- · 2-Methyl-5-hexanone · 3-METHYLBUTYL methyl ketone

Show all 15 names

5-Methyl-2-hexanone, 99% · CAS-110-12-3 · Isoamyl methyl ketone · Isobutylacetone · methyl isoamyl Ketone · METHYL-2-HEXANONE, 5- · Miak · Methyl isopentyl ketone · methyl isoamyl ketone solvent

What it does

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

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

Regulation

No restrictions found. 5-Methyl-2-hexanone appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 763 composition records across product categories including Raw materials, Unknown or Indeterminate, Home maintenance. EPA CPDat classifies this chemical for functional uses including Solvent, Fragrance.
    • EPA CPDat observed this chemical in 763 composition records across product categories including Raw materials, Unknown or Indeterminate, Home maintenance. EPA CPDat classifies this chemical for functional uses including Solvent, Fragrance.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 5-Methyl-2-hexanone 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 January 7, 2008

    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 5-Methyl-2-hexanone in a product composition. These are source records, not Greenveil catalog products.

Source records

763

Named organisations

6

Raw materialsUnknown or IndeterminateHome maintenanceIndustrial productsVehicleSpecialty occupational products

Typical roles

SolventFragrance
See products using 5-Methyl-2-hexanone →