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InventoryRef cosing-live-1011112024-07-02

BUTYL LEVULINATE

Butyl Levulinate is the organic compound that conforms to the formul

BUTYL LEVULINATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 2052-15-5
CAS 2052-15-5PubChem CID 16331

Butyl levulinate

Butyl levulinate is an oxo carboxylic acid. — ChEBI

IUPAC name
butyl 4-oxopentanoate
Molecular formula
C9H16O3
Molecular weight
172.22 g/mol
Exact mass
172.109944368 Da
XLogP3
1.0
Topological polar surface area
43.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

n-Butyl levulinatePentanoic acid, 4-oxo-, butyl esterButyl laevulinaten-Butyl laevulinateLEVULINIC ACID, BUTYL ESTERButyl 4-ketovalerateButyl acetylpropionate4-Ketopentanoic acid butyl ester
16 more reported names
FEMA No. 2207NSC 78451EINECS 218-143-4UNII-OI56208RTBLevulinic acid n-butyl esterBRN 1768453AI3-00518NSC-78451BUTYL LEVULINATE [FHFI]EC 218-143-44-03-00-01563 (Beilstein Handbook Reference)RefChem:122269218-143-4ISBWNEKJSSLXOD-UHFFFAOYSA-Nn-Butyl 4-oxopentanoate4-oxo-pentanoic acid butyl ester
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.

Official European Commission record

CosIng substance ID
101111
Published in the Official Journal
Yes
Recorded by the Commission
2024-07-02
Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for BUTYL LEVULINATE

INCI name

BUTYL LEVULINATE

Description

Butyl Levulinate is the organic compound that conforms to the formul

Record provenance

Inventory reference
cosing-live-101111
Imported identity
BUTYL LEVULINATE
Source update
2024-07-02
European Commission CosIng source notes

Key data

Restriction
—
Function
SKIN CONDITIONING - EMOLLIENT
Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
SOLVENT
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

Records sharing a CAS or EC identity

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How BUTYL LEVULINATE appears in the CosIng inventory

The CosIng inventory lists BUTYL LEVULINATE 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.

BUTYL LEVULINATE 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

BUTYL LEVULINATE 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, BUTYL LEVULINATE carries the following function designation(s):

CAS 2052-15-5 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for BUTYL LEVULINATE

This page reproduces the CosIng inventory entry for BUTYL LEVULINATE 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 BUTYL LEVULINATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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