How do I check if my formula contains 4-T-BUTYL STYRENE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9736603/10/2019

4-T-BUTYL STYRENE

Benzene, 1-(1,1-dimethylethyl)-4-ethenyl-

4-T-BUTYL STYRENE 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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Exact external identity check

matched

One PubChem compound was retained because the exact CosIng name appears among its reported synonyms.

PubChem title: 4-tert-Butylstyrene
IUPAC name: 1-tert-butyl-4-ethenylbenzene
Molecular formula: C12H16
Molecular weight: 160.25 g/mol
InChIKey: QEDJMOONZLUIMC-UHFFFAOYSA-N

Open exact PubChem record

Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Inventory details for 4-T-BUTYL STYRENE

INCI name

4-T-BUTYL STYRENE

Description

Benzene, 1-(1,1-dimethylethyl)-4-ethenyl-

Record provenance

Inventory reference: 97366
Imported identity: 4-T-BUTYL STYRENE
Source update: 03/10/2019

European Commission CosIng source notes

Annex records for 4-T-BUTYL STYRENE

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Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

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Key data

CAS

—

The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.

—

Restriction

—

Function

NOT REPORTED: No function currently reported.

Ingredients with overlapping formulation functions

2-OCTYLACRYLATENOT REPORTED

3-(ACRYLOYLOXY)-2-HYDROXYPROPYL METHACRYLATENOT REPORTED

3-HYDROXY-2,2-DIMETHYLPROPYL HYDROXYPIVALATENOT REPORTED

4,4'-ISOPROPYLIDENEDIPHENOLNOT REPORTED

6-AMINOCAPROIC ACIDNOT REPORTED

ACETYL SH-OCTAPEPTIDE-5 SP AMIDENOT REPORTED

ACETYL TYROSYL CYCLO D-LYSYL TRIPEPTIDE-109 AMIDENOT REPORTED

ACROCOMIA ACULEATA KERNEL OILNOT REPORTED

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 STYRENE appears in the CosIng inventory

The CosIng inventory lists 4-T-BUTYL STYRENE 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 STYRENE 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 STYRENE 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 STYRENE carries the following function designation(s):

NOT REPORTED

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Source note for 4-T-BUTYL STYRENE

This page reproduces the CosIng inventory entry for 4-T-BUTYL STYRENE 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 STYRENE 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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Tools & next steps

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