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  • industrial

4,5-EPOXY-2-DECENAL, (2E)-

CAS 134454-31-2

Also registered as 1 other CAS number

188590-62-7

4,5-EPOXY-2-DECENAL, (2E)- chemical structure

Concern score

Not assessed — no hazard data yet.

4,5-EPOXY-2-DECENAL, (2E)- in plain language

What it is

Also known as 4,5-EPOXY-(E)-2-DECENAL · (2E)-4,5-Epoxy-2-decenal · (2E)-3-(3-Pentyloxiran-2-yl)prop-2-enal · 2-PROPENAL, 3-(3-PENTYLOXIRANYL)-, (2.ALPHA.(E),3.BETA.)- · 3-(3-PENTYLOXIRAN-2-YL) PROP-(E)-2-ENAL · 4,5-EPOXY-(E)-2-DECENAL, trans-

Show all 18 names

4,5-EPOXYDEC-2(TRANS)-ENAL · TRANS-4,5-EPOXY-(E)-2-DECENAL · 2-PROPENAL, 3-((2R,3R)-3-PENTYL-2-OXIRANYL)-, (2E)- · 2-PROPENAL, 3-((2R,3R)-3-PENTYLOXIRANYL)-, (2E)- · 2-PROPENAL, 3-(3-PENTYL-2-OXIRANYL)-, (2E)- · 2-PROPENAL, 3-(3-PENTYLOXIRANYL)-, (e)- · 2-Propenal, 3-(3-pentyloxiranyl)-, (2E)- · 2-Propenal, 3-(3-pentyloxiranyl)-, (2alpha(E),3beta)- · 3-((2R,3R)-3-PENTYLOXIRANYL)2-PROPENAL, (2E)- · UNII-B9K240ZU36 · trans-4,5-Epoxy-(E)-dec-2-enal · trans-4,5-epoxy-2(E)-Decenal

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. 4,5-EPOXY-2-DECENAL, (2E)- 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 Fragrance, Flavouring and nutrient.
    • 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, Flavouring and nutrient.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 4,5-EPOXY-2-DECENAL, (2E)- 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 →

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 4,5-EPOXY-2-DECENAL, (2E)- in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using 4,5-EPOXY-2-DECENAL, (2E)- →