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InventoryRef 3538315/10/2010

MIXED IONONES

4-(2,6,6-Trimethylcyclohex-1-ene-1-yl)-but-3-ene-2-one / 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one / ionone; Cyclocitrylidenacetone, alpha- and beta-isomers

MIXED IONONES 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 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 Ų
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 recordPubChem annotations3D structure image
External database identifiers

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

PubChem 2D chemical structure for CAS 6901-97-9
CAS 6901-97-9PubChem CID 5282108

Alpha-Ionone

Alpha-ionone is an ionone, an enone and a methyl ketone. — ChEBI

IUPAC name
(E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
Molecular formula
C13H20O
Molecular weight
192.30 g/mol
Exact mass
192.151415257 Da
XLogP3
3.0
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

127-41-3(E)-alpha-Iononetrans-alpha-Iononealpha-(E)-iononealpha-Ionon(3E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-oneFEMA No. 2594alpha-Cyclocitrylideneacetone
16 more reported names
I9V075M61RCHEBI:32319(E)-(1)-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one(E)-4-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-3-BUTEN-2-ONEI+--IononeRefChem:27249204-841-6230-010-2250-293-6a-iononeIraldeine3-Buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-oneIonone, alpha-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-onea-Ionone (>90%)
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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

PubChem 2D chemical structure for CAS 8013-90-9
CAS 8013-90-9PubChem CID 24680

Ionone

IUPAC name
4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
Molecular formula
C13H20O
Molecular weight
192.30 g/mol
Exact mass
192.151415257 Da
XLogP3
3.0
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

IrisoneQP734LIN1KRefChem:1087416CHEBI:49248232-396-8939-953-0.alpha.-IononeUZFLPKAIBPNNCA-UHFFFAOYSA-N
2 more reported names
(E)-(+-)-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-buten-2-one
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 MIXED IONONES

INCI name

MIXED IONONES

Description

4-(2,6,6-Trimethylcyclohex-1-ene-1-yl)-but-3-ene-2-one / 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one / ionone; Cyclocitrylidenacetone, alpha- and beta-isomers

Record provenance

Inventory reference
35383
Imported identity
MIXED IONONES
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
14901-07-6 / 6901-97-9 / 8013-90-9
EC
238-969-9 / 230-010-2 / 232-396-8
Restriction
—
Function
FRAGRANCE
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
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.

#16793 · MIXED IONONES

Ingredients with overlapping formulation functions

MICHELIA ALBA FLOWER OILFRAGRANCE
MICHELIA ALBA LEAF OILFRAGRANCE
MIMOSA PUDICA FLOWER WATERFLAVOURING, FRAGRANCE, PERFUMING, SKIN CONDITIONING
MINTHOSTACHYS MOLLIS BRANCH/LEAF OILFLAVOURING, FRAGRANCE
MONARDA FISTULOSA EXTRACTFLAVOURING, FRAGRANCE, PRESERVATIVE
MORINDA CITRIFOLIA OILFRAGRANCE
MUSA SAPIENTUM FLOWER WATERFRAGRANCE
MUSCONEFRAGRANCE

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How MIXED IONONES appears in the CosIng inventory

The CosIng inventory lists MIXED IONONES 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.

MIXED IONONES is also tagged with 2 cosmetic functions 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

MIXED IONONES 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, MIXED IONONES carries the following function designation(s):

CAS 14901-07-6 / 6901-97-9 / 8013-90-9 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 MIXED IONONES

This page reproduces the CosIng inventory entry for MIXED IONONES 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 MIXED IONONES 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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