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  • beauty
  • industrial

2,4,6-Trimethylcyclohex-3-enecarbaldehyde

CAS 1335-66-6

Also registered as 2 other CAS numbers

1423-46-7 · 67634-07-5

2,4,6-Trimethylcyclohex-3-enecarbaldehyde chemical structure

Concern score

Not assessed — no hazard data yet.

2,4,6-Trimethylcyclohex-3-enecarbaldehyde in plain language

What it is

On cosmetic ingredient lists it appears as “2,4,6-TRIMETHYL-3-CYCLOHEXENECARBALDEHYDE”.

Also known as 2,4,6-TRIMETHYL-3-CYCLOHEXENECARBALDEHYDE · Isocyclocitral · Vertonal · 2,4,6-TRIMETHYL-3-CYCLOHEXENYLCARBALDEHYDE · 2,4,6-TRIMETHYL-3-CYCLOHEXENYLCARBOXALDEHYDE · 2,4,6-Trimethylcyclohex-3-ene-1-carbaldehyde

Show all 15 names

(1S,2S,6R)-2,4,6-trimethylcyclohex-3-ene-1-carbaldehyde · 2,4,6-TRIMETHYL-3-CYCLOHEXENE-1-CARBOXALDEHYDE · 2,4,6-Trimethyl-3-cyclohexene-1-carbaldehyde · 2,4,6-Trimethyl-4-cyclohexene-1-carboxaldehyde · 2,4,6-neocyclocitral · 3-Cyclohexene-1-carboxaldehyde, 2,4,6- trimethyl- · 3-​Cyclohexene-​1-​carboxaldehyde, 2,​4,​6-​trimethyl- · CYCLOHEX-3-ENE-1-CARBOXALDEHYDE, 2,4,6-TRIMETHYL- · UNII-3RP77Q40LC

What it does

Used in cosmetics as a fragrance ingredient.

  • Perfuming
  • Fragrance
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. 2,4,6-Trimethylcyclohex-3-enecarbaldehyde appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • 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 →

Expert safety opinions

No expert opinion on file for 2,4,6-Trimethylcyclohex-3-enecarbaldehyde. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for 2,4,6-Trimethylcyclohex-3-enecarbaldehyde yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • 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 2,4,6-Trimethylcyclohex-3-enecarbaldehyde in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

PerfumingFragrance
See products using 2,4,6-Trimethylcyclohex-3-enecarbaldehyde →