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4-tert-Butylbenzaldehyde

CAS 34032-41-2

Also registered as 1 other CAS number

939-97-9

4-tert-Butylbenzaldehyde chemical structure

Concern score

Not assessed — no hazard data yet.

4-tert-Butylbenzaldehyde in plain language

What it is

On cosmetic ingredient lists it appears as “4-T-BUTYL benzaldehyde”.

Also known as 4-T-BUTYL benzaldehyde · Benzaldehyde, p-tert-butyl- · P-tert-butylbenzaldehyde · 4-(1,1-DIMETHYLETHYL)BENZALDEHYDE · 4-(tert-Butyl)benzaldehyde · 4-Tert-ButYl-Benzaldehyde

Show all 15 names

4-t-butylbenzaldehyde · Benzaldehyde, 4-(1,1-Dimethylethyl)- · Ec 213-367-9 · InChI=1/C11H14O/c1-11(2,3)10-6-4-9(8-12)5-7-10/h4-8H,1-3H · NCGC00258006-01 · Otxinxdgsufpnu-uhfffaoysa-n · Para-tert-butylbenzaldehyde · Tbb · p-t-Butylbenzaldehyde

What it does

Used in cosmetics as a fragrance ingredient.

  • Fragrance
  • Deodorant
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. 4-tert-Butylbenzaldehyde appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • 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 Deodorizer.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Deodorizer.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for 4-tert-Butylbenzaldehyde. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

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

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated 2019-12-20

    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-tert-Butylbenzaldehyde in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

FragranceDeodorant
See products using 4-tert-Butylbenzaldehyde →