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CAS 134123-93-6 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 3984702/03/2011

4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE

4-Ethyl-alpha,alpha-dimethyl-benzenepropanenitrile

4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE 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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 134123-93-6

CAS 134123-93-6PubChem CID 164355

Benzenepropanenitrile, 4-ethyl-alpha,alpha-dimethyl-

IUPAC name: 3-(4-ethylphenyl)-2,2-dimethylpropanenitrile

Molecular formula: C13H17N
Molecular weight: 187.28 g/mol
Exact mass: 187.136099547 Da
XLogP3: 3.6
Topological polar surface area: 23.8 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Benzenepropanenitrile, 4-ethyl-.alpha.,.alpha.-dimethyl-RefChem:563596Benzenepropanenitrile,4-ethyl-.alpha.,.alpha.-dimethyl-floral nitrileNWMCCMGWYCKNJR-UHFFFAOYSA-N

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID2051683

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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE

INCI name

4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE

Description

4-Ethyl-alpha,alpha-dimethyl-benzenepropanenitrile

Record provenance

Inventory reference: 39847
Imported identity: 4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for 4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE

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Key data

CAS

134123-93-6

—

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

4-DIHYDROMETHYL-2H-PYRAN-2-YL GUAIACOLPERFUMING

4-DIMETHYLMETHYLENECYCLOHEXYL-BUTAN-2-ONEPERFUMING

4-ETHOXYBENZALDEHYDEFRAGRANCE, PERFUMING

4-ETHYL-6-(2,6,6-TRIMETHYL-2-CYCLOHEXENYL)-2-HEXENE-1,4-DIOL CYCLIZEDPERFUMING

4-ETHYL-GAMMA-OCTALACTONEPERFUMING

4-ETHYLACETOPHENONEPERFUMING

4-ETHYLBENZALDEHYDEPERFUMING

4-ETHYLGUAIACOLPERFUMING

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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE appears in the CosIng inventory

The CosIng inventory lists 4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE 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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE 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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE 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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE carries the following function designation(s):

PERFUMING

CAS 134123-93-6 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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE

This page reproduces the CosIng inventory entry for 4-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE 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-ETHYL-ALPHA,ALPHA-DIMETHYL-BENZENEPROPANENITRILE 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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