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(2E,4E)-2,4-Octadienal

CAS 30361-28-5

Also registered as 2 other CAS numbers

5577-44-6 · 38743-20-3

(2E,4E)-2,4-Octadienal chemical structure

Concern score

Not assessed — no hazard data yet.

(2E,4E)-2,4-Octadienal in plain language

What it is

Also known as TRANS,TRANS-2,4-OCTADIENAL · 2,4-OCTADIENAL, (2E,4E)- · (2E,4E)-Octa-2,4-dienal · (2E,4E)-Octadienal · (E,E)-2,4-Octadien-1-al · (E,E)-2,4-Octadienal

Show all 17 names

(E,E)-Octa-2,4-dienal · 2,4-OCTADIEN-1-AL, (e,e)- · 2,4-OCTADIENAL, trans,trans- · 2,4-Octadienal · 2,4-Octadienal, (E,E)- · 2-trans-4-trans-Octadienal · 2e,4e-octadienal · Octa-2(trans),4(trans)-dienal · Octadienal · all-trans-2,4-Octadienal · trans,trans-Octa-2,4-dienal

What it does

Used in consumer products as a fragrance ingredient and a flavouring.

  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. (2E,4E)-2,4-Octadienal appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • 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 Flavouring and nutrient, 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 Flavouring and nutrient, Fragrance.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for (2E,4E)-2,4-Octadienal yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • 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 (2E,4E)-2,4-Octadienal in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using (2E,4E)-2,4-Octadienal →