Is IRITONE safe to use in EU cosmetics?

IRITONE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 67801-38-1?

CAS 67801-38-1 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.

How do I check if my formula contains IRITONE?

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 4030902/03/2011

IRITONE

4-(2,4,6-Trimethyl-3-cyclohexenyl)-3-buten-2-one

IRITONE 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 67801-38-1

CAS 67801-38-1PubChem CID 6285057

4-(2,4,6-Trimethyl-3-cyclohexen-1-yl)-3-buten-2-one

IUPAC name: (E)-4-(2,4,6-trimethylcyclohex-3-en-1-yl)but-3-en-2-one

Molecular formula: C13H20O
Molecular weight: 192.30 g/mol
Exact mass: 192.151415257 Da
XLogP3: 2.7
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Iritone67GL43KSFC3-Buten-2-one, 4-(2,4,6-trimethyl-3-cyclohexen-1-yl)-RefChem:969814-(TMC)-3-B cpd267-158-2(3E)-4-(2,4,6-trimethylcyclohex-3-en-1-yl)but-3-en-2-oneEINECS 267-158-2

5 more reported names

UNII-67GL43KSFCBRN 32431214-(2,4,6-Trimethyl-4-cyclohexen-1-yl)-3-buten-2-one3-07-00-00646 (Beilstein Handbook Reference)FETSKTIMHFKZNF-AATRIKPKSA-N

Open full PubChem record PubChem annotations 3D structure image

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 IRITONE

INCI name

IRITONE

Description

4-(2,4,6-Trimethyl-3-cyclohexenyl)-3-buten-2-one

Record provenance

Inventory reference: 40309
Imported identity: IRITONE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for IRITONE

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Key data

CAS

67801-38-1

267-158-2

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

IRIS PALLIDA RHIZOME OILFRAGRANCE; PERFUMING; SKIN CONDITIONING - MISCELLANEOUS

IRIS PALLIDA ROOT EXTRACTFRAGRANCE, PERFUMING, TONIC

IRIS PALLIDA ROOT OILPERFUMING

IRIS PSEUDACORUS ROOT EXTRACTPERFUMING

ISOAMYL ALCOHOLFLAVOURING, PERFUMING

ISOAMYL ALLYLGLYCOLATEFRAGRANCE, PERFUMING

ISOAMYL BUTYRATEPERFUMING

ISOAMYL CROTONATEPERFUMING

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 IRITONE appears in the CosIng inventory

The CosIng inventory lists IRITONE 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.

IRITONE 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

IRITONE 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, IRITONE carries the following function designation(s):

PERFUMING

CAS 67801-38-1 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 IRITONE

This page reproduces the CosIng inventory entry for IRITONE 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 IRITONE 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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