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InventoryRef 4123602/03/2011

TRIMETHYL-PENTYLCYCLOPENTANONE

2,2,5-Trimethyl-5-pentylcyclopentan-1-one

TRIMETHYL-PENTYLCYCLOPENTANONE 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 65443-14-3
CAS 65443-14-3PubChem CID 103402

2,2,5-Trimethyl-5-pentylcyclopentanone

2,2,5-Trimethyl-5-pentylcyclopentanone has been reported in Pelargonium tomentosum with data available. — LOTUS - the natural products occurrence database

IUPAC name
2,2,5-trimethyl-5-pentylcyclopentan-1-one
Molecular formula
C13H24O
Molecular weight
196.33 g/mol
Exact mass
196.182715385 Da
XLogP3
4.2
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

BN3YZU63MNCyclopentanone, 2,2,5-trimethyl-5-pentyl-2,2,5-trimethyl-5-pentyl-cyclopentanoneRefChem:440753265-779-3Veloutone2-Pentyl-2,5,5-trimethylcyclopentanoneEINECS 265-779-3
2 more reported names
fruity cyclopentanoneUNII-BN3YZU63MN
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 TRIMETHYL-PENTYLCYCLOPENTANONE

INCI name

TRIMETHYL-PENTYLCYCLOPENTANONE

Description

2,2,5-Trimethyl-5-pentylcyclopentan-1-one

Record provenance

Inventory reference
41236
Imported identity
TRIMETHYL-PENTYLCYCLOPENTANONE
Source update
02/03/2011
European Commission CosIng source notes
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Key data

CAS
65443-14-3
EC
265-779-3
Restriction
—
Function
PERFUMING
Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

TRIMETHYL-7-OXABICYCLOHEPTYL)-3-BUTEN-2-ONEPERFUMING
TRIMETHYL-8-METHYLENEBICYCLO-4-UNDECENEPERFUMING
TRIMETHYL-METHYLBUTENYL-BICYCLOHEPTAN-3-ONEPERFUMING
TRIMETHYL-PENTYL-DIOXANEPERFUMING
TRIMETHYL-PROPYLCYCLOHEXANEPROPANOLPERFUMING
TRIMETHYL-VINYLTETRAHYDROFURAN-2-METHANOLPERFUMING
TRIMETHYLBENZENEPROPANOLFRAGRANCE, PERFUMING
TRIMETHYLBENZYL ALCOHOLPERFUMING

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 TRIMETHYL-PENTYLCYCLOPENTANONE appears in the CosIng inventory

The CosIng inventory lists TRIMETHYL-PENTYLCYCLOPENTANONE 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.

TRIMETHYL-PENTYLCYCLOPENTANONE 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

TRIMETHYL-PENTYLCYCLOPENTANONE 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, TRIMETHYL-PENTYLCYCLOPENTANONE carries the following function designation(s):

CAS 65443-14-3 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 TRIMETHYL-PENTYLCYCLOPENTANONE

This page reproduces the CosIng inventory entry for TRIMETHYL-PENTYLCYCLOPENTANONE 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 TRIMETHYL-PENTYLCYCLOPENTANONE 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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