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  • cleaning
  • industrial

2,4(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde

CAS 420839-53-8

Also registered as 1 other CAS number

68737-61-1

Concern score

Not assessed — no hazard data yet.

2,4(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde in plain language

What it is

On cosmetic ingredient lists it appears as “Dimethyltetrahydro benzaldehyde”.

Also known as Dimethyltetrahydro benzaldehyde · 3-cyclohexene-1- carboxaldehyde, 2,4(or 3,5)- dimethyl- · 3-​Cyclohexene-​1-​carboxaldehyde, 2,​4(or 3,​5)​-​dimethyl- · CYCLOHEX-3-ENE-1-CARBOXALDEHYDE, dimethyl · Dimethylcyclohex-3-Ene-1-Carbaldehyde (Isomer Mixture) · Dimethylcyclohex-3-en-1-carbaldehyd

Show all 11 names

Dimethylcyclohex-3-ene-1-carbaldehyde · Hivertal · Vertocitral · dimethyl tetrahydrobenzaldehyde · dimetilciclohex-3-eno-1-carbaldehido

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(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 103 composition records across product categories including Cleaning products and household care, Cleaning and safety, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance.
    • EPA CPDat observed this chemical in 103 composition records across product categories including Cleaning products and household care, Cleaning and safety, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance.Source →

Expert safety opinions

No expert opinion on file for 2,4(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde. 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(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated 2022-06-22

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde in a product composition. These are source records, not Greenveil catalog products.

Source records

103

Named organisations

6

Cleaning products and household careCleaning and safetyVehicle

Typical roles

PerfumingFragrance
See products using 2,4(or 3,5)-Dimethyl-3-cyclohexene-1-carboxaldehyde →