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5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)-

CAS 1117-52-8

5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)- chemical structure

Concern score

Not assessed — no hazard data yet.

5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)- in plain language

What it is

On cosmetic ingredient lists it appears as “Trans, trans-trimethylpentadecatrienone”.

Also known as Trans-trimethylpentadecatrienone trans · Farnesyl acetone, (5E,9E)- · Farnesyl acetone · (5E,9E)-6,10,14-Trimethylpentadeca-5,9,13-trien-2-one · Trans-farnesylacetone trans · (5E,9E)-6,10,14-TRIMETHYL-5,9,13-PENTADECATRIEN-2-ONE

Show all 16 names

(E,E)-6,10,14-TRIMETHYL-5,9,13-PENTADECATRIEN-2-ONE · (E,E)-6,10,14-Trimethylpentadeca-5,9,13-trien-2-one · (E,E)-Farnesyl acetone · 2,6,10-Trimethyl-2,6,10-pentadecatrien-14-one · 5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (E,E)- · 5,9,13-Pentadecatriene-2-one, 6,10,14-trimethyl- · 6,10,14-Trimethyl-5,9,13-pentadecatrien-2-one · E,e-farnesylacetone · Farnesylacetone · Ltumrkdlvgqmju-iublysdusa-n

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. 5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)- 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 5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)-. 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 5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)- 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 2019-12-20

    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 5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)- in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

PerfumingFragrance
See products using 5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl-, (5E,9E)- →