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GREENVEIL

  • industrial

2-Pentanone, 4-methyl-4-(methylthio)-

CAS 23550-40-5

2-Pentanone, 4-methyl-4-(methylthio)- chemical structure

Concern score

Not assessed — no hazard data yet.

2-Pentanone, 4-methyl-4-(methylthio)- in plain language

What it is

Also known as 4-METHYLTHIO-4-METHYL-2-PENTANONE · 4-METHYL-4-(METHYLTHIO)-2-PENTANONE · 4-Methyl-4-(methylsulfanyl)pentan-2-one · 4-methyl-4-methylsulfanylpentan-2-one · Cassis pentanone · 4-(Methylthio)-4-methyl-2-pentanone

Show all 12 names

4-(Methylthio)-4-methylpentan-2-one · 4-Methylmercapto-4-methylpentan-2-one · 4-methyl-4-(methylthio)pentan-2-one · Corps Cassis · Dhanvoshqilvnq-uhfffaoysa-n · UNII-G69HK72Q3Y

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. 2-Pentanone, 4-methyl-4-(methylthio)- 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 Flavouring and nutrient, Fragrance.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, 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 2-Pentanone, 4-methyl-4-(methylthio)- 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 2-Pentanone, 4-methyl-4-(methylthio)- in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using 2-Pentanone, 4-methyl-4-(methylthio)- →