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Allyl-alpha-ionone

CAS 79-78-7

Allyl-alpha-ionone chemical structure

Concern score

Not assessed — no hazard data yet.

Allyl-alpha-ionone in plain language

What it is

On cosmetic ingredient lists it appears as “Allyl alpha-ionone”.

Also known as Allyl alpha-ionone · Allyl .alpha.-ionone · (±)-allyl .alpha.-ionone · 1-(2,6,6-Trimethylcyclohex-2-en-1-yl)hepta-1,6-dien-3-one · Allyl .alpha.-ionone, (±)- · Allyl ionone

Show all 18 names

Ionone, allyl .alpha.- · Tropical ionone · (+/-)-allyl .alpha.-ionone · 1-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)HEPTA-1,6-DIEN-3-ONE · 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-1,6-heptadien-3-one · Allyl .alpha.-ionone, (+/-)- · Allylionone · Allyl cyclocitrylideneacetone · Butenyl alpha-cyclocitrylidenemethyl ketone · Cetone V · Cyclocitrylidenemethyl butenyl ketone, alpha- · UNII-8IP66F9ODG

What it does

Used in cosmetics as a fragrance ingredient.

  • 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. Allyl-alpha-ionone appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.
    • EPA CPDat observed this chemical in 1 composition records across product categories including Cleaning products and household care. 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 Allyl-alpha-ionone. 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 Allyl-alpha-ionone 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 February 8, 2019

    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

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 Allyl-alpha-ionone in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

4

Cleaning products and household care

Typical roles

PerfumingFragranceFlavouring
See products using Allyl-alpha-ionone →