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CAS 939-97-9 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 5421815/10/2010

4-T-BUTYL BENZALDEHYDE

Benzaldehyde, 4-(1,1-Dimethylethyl)-

4-T-BUTYL BENZALDEHYDE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 939-97-9

CAS 939-97-9PubChem CID 70324

4-tert-Butylbenzaldehyde

4-tert-butylbenzaldehyde is an organic molecular entity. It has a role as an anticonvulsant. — ChEBI

IUPAC name: 4-tert-butylbenzaldehyde

Molecular formula: C11H14O
Molecular weight: 162.23 g/mol
Exact mass: 162.104465066 Da
XLogP3: 3.1
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Benzaldehyde, 4-(1,1-dimethylethyl)-p-tert-Butylbenzaldehydep-t-Butylbenzaldehyde4-t-butyl benzaldehydeBenzaldehyde, p-tert-butyl-QXF0QY85034-(1,1-dimethylethyl)benzaldehydeEINECS 213-367-9

16 more reported names

para-tert-butylbenzaldehydeAI3-37199EC 213-367-9RefChem:5268584-T-BUTYL BENZALDEHYDE [INCI]213-367-9InChI=1/C11H14O/c1-11(2,3)10-6-4-9(8-12)5-7-10/h4-8H,1-3H4-(tert-Butyl)benzaldehyde4-t-butylbenzaldehyde4-Tert-ButYl-Benzaldehyde4-(t-butyl)benzaldehyde4-Tert-Butyl BenzaldehydeUNII-QXF0QY8503Mesalazine Impurity 14-tertbutylbenzaldehyde4-t-butyl-benzaldehyde

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:232598
ChEMBL:CHEMBL242962
EPA DTXSID:DTXSID6027343
PubMed:17623293
PubMed:17532130
PubMed:15791334
PubMed:15008513

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for 4-T-BUTYL BENZALDEHYDE

INCI name

4-T-BUTYL BENZALDEHYDE

Description

Benzaldehyde, 4-(1,1-Dimethylethyl)-

Record provenance

Inventory reference: 54218
Imported identity: 4-T-BUTYL BENZALDEHYDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for 4-T-BUTYL BENZALDEHYDE

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Key data

CAS

939-97-9

213-367-9

Restriction

—

Function

FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#352 · 4-T-BUTYL BENZALDEHYDE

Ingredients with overlapping formulation functions

3-HEXENOLFRAGRANCE, PERFUMING, SKIN CONDITIONING

4-ETHOXYBENZALDEHYDEFRAGRANCE, PERFUMING

4-HYDROXYBENZOIC ACIDFRAGRANCE, PRESERVATIVE

4-METHYLBENZALDEHYDEFRAGRANCE

4-T-BUTYLBENZOIC ACIDFRAGRANCE, PERFUMING

4-T-BUTYLCYCLOHEXANOLFRAGRANCE, PERFUMING

4-TERPINEOLFRAGRANCE

6-METHYL COUMARINFRAGRANCE, PERFUMING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How 4-T-BUTYL BENZALDEHYDE appears in the CosIng inventory

The CosIng inventory lists 4-T-BUTYL BENZALDEHYDE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

4-T-BUTYL BENZALDEHYDE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

4-T-BUTYL BENZALDEHYDE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, 4-T-BUTYL BENZALDEHYDE carries the following function designation(s):

FRAGRANCE

CAS 939-97-9 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for 4-T-BUTYL BENZALDEHYDE

This page reproduces the CosIng inventory entry for 4-T-BUTYL BENZALDEHYDE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research 4-T-BUTYL BENZALDEHYDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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