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CAS 13851-06-4 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 8972704/04/2013

TRIMETHYLDECENEDIONE

Trimethyldecenedione is the organic compound.

TRIMETHYLDECENEDIONE 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 13851-06-4

CAS 13851-06-4PubChem CID 114572

8-Decene-3,5-dione, 4,6,9-trimethyl-

IUPAC name: 4,6,9-trimethyldec-8-ene-3,5-dione

Molecular formula: C13H22O2
Molecular weight: 210.31 g/mol
Exact mass: 210.161979940 Da
XLogP3: 3.3
Topological polar surface area: 34.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

2,5,7-Trimethyl-2-decene-6,8-dioneEINECS 237-584-3RefChem:548002237-584-34,6,9-Trimethyldec-8-en-3,5-dione8-Decen-3,5-dione, 4,6,9-trimethylDB-239538

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID60864448

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 TRIMETHYLDECENEDIONE

INCI name

TRIMETHYLDECENEDIONE

Description

Trimethyldecenedione is the organic compound.

Record provenance

Inventory reference: 89727
Imported identity: TRIMETHYLDECENEDIONE
Source update: 04/04/2013

European Commission CosIng source notes

Annex records for TRIMETHYLDECENEDIONE

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Key data

CAS

13851-06-4

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Restriction

—

Function

BLEACHING: Bleaching or lightening the shade of hair and/or skin.
CHELATING: Forming complexes with metal ions which could affect the stability and/or appearance of cosmetics.

Official EU ingredient-name evidence

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

#29276 · TRIMETHYLDECENEDIONE

Records sharing a CAS or EC identity

TRIMETHYL-2-DECENE-6,8-DIONE

Ingredients with overlapping formulation functions

THIOHISTIDINEANTIOXIDANT, BLEACHING, CHELATING

TITANIUM TETRAGLYCEROXIDECHELATING, HUMECTANT, ORAL CARE, SKIN CONDITIONING

TRIETHYLENETETRAMINE HCLCHELATING

TRIMETHOXYBENZYLIDENE PENTANEDIONEANTIOXIDANT, CHELATING, SKIN PROTECTING

TRIMETHYLOLPROPANE HYDROXYPROPYL BIS-HYDROXYETHYLAMINE DENDRIMERCHELATING, CLEANSING, SURFACTANT - CLEANSING

TRIPOTASSIUM EDTACHELATING

TRISODIUM DICARBOXYMETHYL ALANINATECHELATING

TRISODIUM EDTACHELATING

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 TRIMETHYLDECENEDIONE appears in the CosIng inventory

The CosIng inventory lists TRIMETHYLDECENEDIONE 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.

TRIMETHYLDECENEDIONE 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

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

CAS 13851-06-4 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 TRIMETHYLDECENEDIONE

This page reproduces the CosIng inventory entry for TRIMETHYLDECENEDIONE 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 TRIMETHYLDECENEDIONE 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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