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3-(3,4-Methylenedioxyphenyl)-2-methylpropanal

CAS 1205-17-0

3-(3,4-Methylenedioxyphenyl)-2-methylpropanal chemical structure

Concern score

Not assessed — no hazard data yet.

3-(3,4-Methylenedioxyphenyl)-2-methylpropanal in plain language

What it is

On cosmetic ingredient lists it appears as “Methylenedioxyphenyl methylpropanal”.

Also known as Methylenedioxyphenyl methylpropanal · 3-(1,3-benzodioxol-5-yl)-2-methylpropanal · 3-(2H-1,3-Benzodioxol-5-yl)-2-methylpropanal · ALPHA-METHYL-3,4-METHYLENE-DIOXYHYDROCINNAMIC aldehyde · Heliobouquet · Helipropanal

Show all 29 names

Ocean propanal · Tropional · (+/-)-3-(3,4-METHYLENEDIOXYPHENYL)-2-METHYLPROPANAL · (±)-3-(3,4-METHYLENEDIOXYPHENYL)-2-METHYLPROPANAL · .ALPHA.-METHYL-1,3-BENZODIOXOLE-5-PROPANAL · .ALPHA.-METHYL-3,4-(METHYLENEDIOXY)HYDROCINNAMALDEHYDE · .alpha.-Methyl-3,4-methylenedioxy-hydrocinnamic aldehyde · 1,3-Benzodioxole-5-propanal, α-methyl- · 1,3-benzodioxole-5-propanal, .alpha.-methyl- · 2-Methyl-3-(3,4 Methylendioxylphenyl)-Propanal · 2-Methyl-3-(3,4-methylenedioxyphenyl)propanal · 2-Methyl-3-(3,4-methylenedioxyphenyl)propionaldehyde · 3-(3,4-METHYLENEDIOXYPHENYL)-2-METHYLPROPANAL, (+/-)- · 3-(3,4-METHYLENEDIOXYPHENYL)-2-METHYLPROPANAL, (±)- · 3-(3,4-Methylenedioxyphenyl)-2-methyl-propanol · Helional · Hydrocinnamaldehyde, .ALPHA.-METHYL-3,4-(METHYLENEDIOXY)- · Hydrocinnamaldehyde, α-methyl-3,4-(methylenedioxy)- · MMDHCA cpd · UNII-L65EG8H6PA · alpha-Methyl-1,3-benzodioxole-5-propionaldehyde · helional (polanal) · α-Methyl-3,4-(methylenedioxy)hydrocinnamaldehyde

What it does

Used in cosmetics as a skin-conditioning agent and a fragrance ingredient.

  • Skin conditioning
  • Perfuming
  • Fragrance
  • Flavouring
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. 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActiveMethylenedioxyphenyl Methylpropanal is the organic compound that conforms to the formula
    • Methylenedioxyphenyl Methylpropanal is the organic compound that conforms to the formulaSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 167 composition records across product categories including Personal care, Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.
    • EPA CPDat observed this chemical in 167 composition records across product categories including Personal care, Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.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 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal. 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 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal 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 May 2018

    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 (2)
Openfda substance

thegoodscentscompany.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 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal in a product composition. These are source records, not Greenveil catalog products.

Source records

167

Named organisations

6

Personal careCleaning products and household careVehicleCleaning and safety

Typical roles

Skin conditioningPerfumingFragranceFlavouring
See products using 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal →

Catalog

Found in these products

Cosmetic and personal-care products that list 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal are shown first. Their ingredient lists include 3-(3,4-Methylenedioxyphenyl)-2-methylpropanal; each product's own rating depends on its whole formula, so it is shown on the product page, not here.