Is BETA-IONONE safe to use in EU cosmetics?

BETA-IONONE 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 14901-07-6?

CAS 14901-07-6 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.

How do I check if my formula contains BETA-IONONE?

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 4135402/03/2011

BETA-IONONE

4-(2,6,6-Trimethylcyclohex-1-eneyl)-but-3-ene-2-one; 1-(2,6,6-Trimethylcyclohex-1-eneyl)-but-1-ene-3-one

BETA-IONONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

INCI Checker Compare all markets Search similar

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.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 14901-07-6

CAS 14901-07-6PubChem CID 26955

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

Beta-ionone is a colorless to light yellow liquid with an odor of cedar wood. In very dilute alcoholic solution the odor resembles odor of violets. Used in perfumery. — CAMEO Chemicals

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

Molecular formula: C13H20O
Molecular weight: 192.30 g/mol
Exact mass: 192.151415257 Da
XLogP3: 2.9
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:10697653-Buten-2-one, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-beta-Jonone4-(2,6,6-Trimethyl-cyclohex-1-enyl)-but-3-en-2-oneEC-Lonone??-lonone3-Buten-2-one, 4-(2,2,6-trimethylcyclohexenyl)-Ionone Impurity 11

3 more reported names

(E)-1-(2,6,6-Trimethyl-1-cyclohexenyl)-1-butene-3-oneI00774-(2,6,6-trimethylcyclohexen-1-yl)-3-buten-2-one

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL3184146
EPA DTXSID:DTXSID9025451
PubMed:22908585
PubMed:22474978
PubMed:22428136
PubMed:22310841
PubMed:22223101
PubMed:22217781
PubMed:22187222
PubMed:22153815
PubMed:22069726
PubMed:22069598
PubMed:21858881
PubMed:21852709

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 BETA-IONONE

INCI name

BETA-IONONE

Description

4-(2,6,6-Trimethylcyclohex-1-eneyl)-but-3-ene-2-one; 1-(2,6,6-Trimethylcyclohex-1-eneyl)-but-1-ene-3-one

Record provenance

Inventory reference: 41354
Imported identity: BETA-IONONE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for BETA-IONONE

Browse

Browse EU annexes

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

Search annex entries

Search the annex database for entries matching BETA-IONONE or related substances.

Key data

CAS

14901-07-6

238-969-9

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

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

#3327 · BETA-IONONE

Ingredients with overlapping formulation functions

BETA,4-DIMETHYL-3-CYCLOHEXENE-1-PROPANALPERFUMING

BETA-CARYOPHYLLENEFRAGRANCE, PERFUMING, SKIN CONDITIONING

BETA-HYDROXYPHENETHYL ACETATEPERFUMING

BETA-IONOLPERFUMING

BETA-METHYL-CYCLODODECANEETHANOLPERFUMING

BETA-PINEN-3-OLPERFUMING

BETA-PINEN-3-YL ACETATEPERFUMING

BETA-PINENESPERFUMING

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 BETA-IONONE appears in the CosIng inventory

The CosIng inventory lists BETA-IONONE 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.

BETA-IONONE 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

BETA-IONONE 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, BETA-IONONE carries the following function designation(s):

PERFUMING

CAS 14901-07-6 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.

View CAS records

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

Open INCI Checker

Source note for BETA-IONONE

This page reproduces the CosIng inventory entry for BETA-IONONE 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 BETA-IONONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect BETA-IONONE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to BETA-IONONE, its identifiers or nearby name variants.