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1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)-

CAS 68555-94-2

Also registered as 1 other CAS number

72117-72-7

1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)- chemical structure

Concern score

Not assessed — no hazard data yet.

1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)- in plain language

What it is

Also known as Dimethylionone · "1,3-Dimethyl-a-ionone" · 1,3-Dimethyl-alpha-ionone · 1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexenyl)- · 2-METHYL-1-(2,2,6-TRIMETHYLCYCLOHEXEN-1-YL)-1-PENTEN-3-ONE · 3-07-00-00686 (Beilstein Handbook Reference)

Show all 11 names

Ktgxdhvckicomq-zrdibkrksa-n · Q27268200 · UNII-7FHT56106E · Velvetone · alpha-Cyclocitrylidene-4-methylbutan-3-one

What it does

Used in consumer products as a fragrance ingredient.

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

Regulation

No restrictions found. 1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)- 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.
    • 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.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 1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)- 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 2020-03-19

    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

search.bedoukian.com

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 1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)- in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Fragrance
See products using 1-Penten-3-one, 2-methyl-1-(2,2,6-trimethylcyclohexen-1-yl)- →