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CAS 2198-61-0 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 4031702/03/2011

ISOAMYL HEXANOATE

3-Methylbutyl Hexanoate; Isopentyl Hexanoate

ISOAMYL HEXANOATE 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 2198-61-0

CAS 2198-61-0PubChem CID 16617

Isoamyl hexanoate

3-methylbutyl hexanoate is a fatty acid ester obtained by the formal condensation of the carboxy group of hexanoic acid (caproic acid) with the alcoholic hydroxy group of 3-methylbutan-1-ol (isoamylol). It has a role as a metabolite and a fragrance. It is functionally related to an isoamylol. — ChEBI

IUPAC name: 3-methylbutyl hexanoate

Molecular formula: C11H22O2
Molecular weight: 186.29 g/mol
Exact mass: 186.161979940 Da
XLogP3: 3.7
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Isopentyl hexanoateIsoamyl caproateHexanoic acid, 3-methylbutyl esterIsopentyl caproateIsopentyl-n-hexanoateHexanoic acid, isopentyl esterIsopentyl alcohol, hexanoateFEMA No. 2075

16 more reported names

Isoamyl hexanoate (natural)3-methylbutyl caproateEINECS 218-600-8BRN 1760611AI3-00573ISOAMYL HEXANOATE [FCC]ISOAMYL HEXANOATE [FHFI]CHEBI:875423-02-00-00727 (Beilstein Handbook Reference)RefChem:791548218-600-8289-392-41-Methylbutyl hexanoateEINECS 289-392-4iso-Amyl n-hexanoateCaproic acid isopentyl ester

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:87542
ChEMBL:CHEMBL4647691
EPA DTXSID:DTXSID7062245

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 ISOAMYL HEXANOATE

INCI name

ISOAMYL HEXANOATE

Description

3-Methylbutyl Hexanoate; Isopentyl Hexanoate

Record provenance

Inventory reference: 40317
Imported identity: ISOAMYL HEXANOATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for ISOAMYL HEXANOATE

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Key data

CAS

2198-61-0

218-600-8

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

ISOAMYL CROTONATEPERFUMING

ISOAMYL FORMATEPERFUMING

ISOAMYL GERANATEPERFUMING

ISOAMYL HEPTANOATEPERFUMING

ISOAMYL ISOBUTYRATEPERFUMING

ISOAMYL ISOVALERATEPERFUMING

ISOAMYL OCTANOATEPERFUMING

ISOAMYL PHENETHYL ETHERPERFUMING

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 ISOAMYL HEXANOATE appears in the CosIng inventory

The CosIng inventory lists ISOAMYL HEXANOATE 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.

ISOAMYL HEXANOATE 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

ISOAMYL HEXANOATE 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, ISOAMYL HEXANOATE carries the following function designation(s):

PERFUMING

CAS 2198-61-0 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 ISOAMYL HEXANOATE

This page reproduces the CosIng inventory entry for ISOAMYL HEXANOATE 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 ISOAMYL HEXANOATE 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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