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GREENVEIL

  • industrial

4-Octenoic acid, ethyl ester, (4E)-

CAS 78989-37-4

4-Octenoic acid, ethyl ester, (4E)- chemical structure

Concern score

Not assessed — no hazard data yet.

4-Octenoic acid, ethyl ester, (4E)- in plain language

What it is

Also known as Ethyl 4-OCTENOATE, (4E)- · Ethyl (4E)-oct-4-enoate · ethyl (E)-oct-4-enoate · ( Z)-Ethyl 4-octenoate · (4E)-ethyl 4-octenoate · 4-Octenoic acid, ethyl ester, (E)-

Show all 14 names

4-Octenoic acid, ethyl ether · Ethyl 4-OCTENOATE, (e)- · Ethyl (4E)-4-octenoate · Ethyl (4E)-4-octenoate # · Ethyl trans-4-octenoate · UNII-520VPR9S7Q · ethyl (E)-4-octenoate · ethyl 4Z-octenoate

What it does

Used in consumer products as a fragrance ingredient.

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

Regulation

No restrictions found. 4-Octenoic acid, ethyl ester, (4E)- 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.
    • 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 →

Evidence & sources

No graded research studies for 4-Octenoic acid, ethyl ester, (4E)- 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 2020-03-19

    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-Octenoic acid, ethyl ester, (4E)- in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Fragrance
See products using 4-Octenoic acid, ethyl ester, (4E)- →