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  • industrial

Benzeneacetaldehyde, .alpha.-ethylidene-

CAS 4411-89-6

Also registered as 1 other CAS number

55088-52-3

Concern score

Not assessed — no hazard data yet.

Benzeneacetaldehyde, .alpha.-ethylidene- in plain language

What it is

Also known as 2-PHENYL-2-BUTENAL · .alpha.-phenylcrotonaldehyde · 2-PHENYLCROTONALDEHYDE · 2-Phenylbut-2-enal · Crotonaldehyde, .alpha.-phenyl- · Crotonaldehyde, 2-PHENYL-

Show all 8 names

Benzeneacetaldehyde, alpha-ethylidene- · Dyaogzllmzqvhy-xnwczrbmsa-n

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. Benzeneacetaldehyde, .alpha.-ethylidene- 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 mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Evidence & sources

No graded research studies for Benzeneacetaldehyde, .alpha.-ethylidene- yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 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 →

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 Benzeneacetaldehyde, .alpha.-ethylidene- in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using Benzeneacetaldehyde, .alpha.-ethylidene- →