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5-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one

CAS 17369-60-7

5-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one chemical structure

Concern score

Not assessed — no hazard data yet.

5-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one in plain language

What it is

Also known as 5-ETHYL-2,3,4,5-TETRAMETHYL-2-CYCLOHEXENONE · (+/-)-5-ETHYL-2,3,4,5-TETRAMETHYL-2-CYCLOHEXENONE · (±)-5-ETHYL-2,3,4,5-TETRAMETHYL-2-CYCLOHEXENONE · 2-Cyclohexen-1-one, 5-ethyl-2,3,4,5-tetramethyl- · 5-ETHYL-2,3,4,5-TETRAMETHYL-2-CYCLOHEXEN-1-ONE · 5-ETHYL-2,3,4,5-TETRAMETHYL-2-CYCLOHEXENONE, (+/-)-

Show all 12 names

5-ETHYL-2,3,4,5-TETRAMETHYL-2-CYCLOHEXENONE, (±)- · 5-Ethyl-2,3,4,5-tetramethylcyclohexen-1-one · Q27272744 · Tetramethyl ethylcyclohexenone (mixture of isomers) · UNII-9MM11393HF · Wvmyetlaaoqtlm-uhfffaoysa-n

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. 5-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one 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 5-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one 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 →

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-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one in a product composition. These are source records, not Greenveil catalog products.

Named organisations

2

Typical roles

FragranceFlavouring
See products using 5-Ethyl-2,3,4,5-tetramethylcyclohex-2-en-1-one →