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  • cleaning

(2E,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one

CAS 357650-26-1

(2E,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one chemical structure

Concern score

Not assessed — no hazard data yet.

(2E,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one in plain language

What it is

Also known as Pomarose · (2E,5Z)-5,6,7-Trimethylocta-2,5-dien-4-one · 2,5-Octadien-4-one, 5,6,7-trimethyl-, (2E,5Z)- · Q2103259 · Qwrgohmkgncvac-kqhsavhasa-n · UNII-EPU9H8QVS8

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. (2E,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • 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.
    • 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.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,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one 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 (2E,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

1

Cleaning products and household care

Typical roles

Fragrance
See products using (2E,5Z)-5,6,7-Trimethyl-2,5-octadien-4-one →