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CAS 539-88-8 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 3989002/03/2011

ETHYL LAEVULINATE

Ethyl 4-oxovalerate

ETHYL LAEVULINATE 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 539-88-8

CAS 539-88-8PubChem CID 10883

Ethyl levulinate

Ethyl levulinate is an oxo carboxylic acid. — ChEBI

IUPAC name: ethyl 4-oxopentanoate

Molecular formula: C7H12O3
Molecular weight: 144.17 g/mol
Exact mass: 144.078644241 Da
XLogP3: 0.1
Topological polar surface area: 43.4 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Ethyl 4-ketovalerateEthyl 4-oxovalerateLevulinic acid, ethyl esterPentanoic acid, 4-oxo-, ethyl esterEthyl acetylpropanoateFEMA No. 24427BU24CSS2GNSC-24876

16 more reported names

RefChem:138978208-728-2Ethyl levulateEthyl laevulinateEthyl 3-acetylpropionateEthyl ketovalerateethyllevulinate4-oxopentanoic acid ethyl esterNSC 24876Ethyl4-oxopentanoate4-oxo-pentanoic acid ethyl esterEthyl levulinate, 99%ETHYL LEVULINATE [MI]ETHYL LEVULINATE [FCC]Ethyl levulinate, >=98%, FCC, FGCAS-539-88-8

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:169371
ChEMBL:CHEMBL3182933
EPA DTXSID:DTXSID8047058
PubMed:22891691
PubMed:22858471
PubMed:22609675
PubMed:22253995
PubMed:21741655
PubMed:21608135
PubMed:21583593
PubMed:21201164
PubMed:21089092
PubMed:20925367
PubMed:20099840
PubMed:19907786

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 ETHYL LAEVULINATE

INCI name

ETHYL LAEVULINATE

Description

Ethyl 4-oxovalerate

Record provenance

Inventory reference: 39890
Imported identity: ETHYL LAEVULINATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for ETHYL LAEVULINATE

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Key data

CAS

539-88-8

208-728-2

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Records sharing a CAS or EC identity

ETHYL LEVULINATE

Ingredients with overlapping formulation functions

ETHYL ISOBUTYRATEPERFUMING

ETHYL ISOPROPYL-BICYCLOHEPTENE-2-CARBOXYLATEPERFUMING

ETHYL ISOVALERATEPERFUMING

ETHYL LACTATEPERFUMING, SOLVENT

ETHYL LAURATEPERFUMING, SKIN CONDITIONING - EMOLLIENT

ETHYL LINALOOLFRAGRANCE, PERFUMING

ETHYL LINOLEATEPERFUMING, SKIN CONDITIONING - EMOLLIENT

ETHYL METHYLBUTYL KETOXIMEFRAGRANCE, PERFUMING

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 ETHYL LAEVULINATE appears in the CosIng inventory

The CosIng inventory lists ETHYL LAEVULINATE 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.

ETHYL LAEVULINATE 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

ETHYL LAEVULINATE 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, ETHYL LAEVULINATE carries the following function designation(s):

PERFUMING

CAS 539-88-8 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 ETHYL LAEVULINATE

This page reproduces the CosIng inventory entry for ETHYL LAEVULINATE 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 ETHYL LAEVULINATE 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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