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CAS 141-97-9 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 3982115/10/2010

ETHYL ACETOACETATE

Ethyl acetoacetate.

ETHYL ACETOACETATE 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 141-97-9

CAS 141-97-9PubChem CID 8868

Ethyl Acetoacetate

Ethyl acetoacetate is an ethyl ester resulting from the formal condensation of the carboxy group of acetoacetic acid with ethanol. It has a role as an antibacterial agent, a flavouring agent and a plant metabolite. It is functionally related to an acetoacetic acid. — ChEBI

IUPAC name: ethyl 3-oxobutanoate

Molecular formula: C6H10O3
Molecular weight: 130.14 g/mol
Exact mass: 130.062994177 Da
XLogP3: 0.2
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 acetylacetateethyl 3-oxobutyratediacetic etherButanoic acid, 3-oxo-, ethyl esterAcetoacetic esteracetoacetic acid, ethyl esterethyl acetylacetonate3-oxobutanoic acid ethyl ester

16 more reported names

active acetyl acetateActive acetylacetateEthyl acetyl acetateACETOACETIC ACID ETHYL ESTERethyl beta-ketobutyrateEthylacetacetat1-Ethoxybutane-1,3-dioneethyl-acetoacetateAcetoctan ethylnatyFEMA No. 2415Ethylester kyseliny acetoctoveIZP61H3TB1NSC-8657CHEBI:4893NSC-657NSC-37390

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:4893
ChEMBL:CHEMBL169176
EPA DTXSID:DTXSID2027092
PubMed:23047114
PubMed:23018926
PubMed:22999476
PubMed:22968474
PubMed:22901391
PubMed:22890170
PubMed:22832883
PubMed:22750815
PubMed:22666168
PubMed:22649326
PubMed:22619575
PubMed:22606154

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 ACETOACETATE

INCI name

ETHYL ACETOACETATE

Description

Ethyl acetoacetate.

Record provenance

Inventory reference: 39821
Imported identity: ETHYL ACETOACETATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ETHYL ACETOACETATE

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Key data

CAS

141-97-9

205-516-1

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

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

#10018 · ETHYL ACETOACETATE

Ingredients with overlapping formulation functions

ETHYL 3-HYDROXYHEXANOATEPERFUMING

ETHYL 3-PHENYLGLYCIDATEPERFUMING

ETHYL 5,5,7-TRIMETHYL-1-OXASPIROOCTANE-2-CARBOXYLATEPERFUMING

ETHYL ACETATEPERFUMING, SOLVENT

ETHYL ACETOXYHEXANOATEPERFUMING

ETHYL ANISATEPERFUMING

ETHYL ANTHRANILATEPERFUMING

ETHYL BENZOYLACETATEPERFUMING

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 ACETOACETATE appears in the CosIng inventory

The CosIng inventory lists ETHYL ACETOACETATE 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 ACETOACETATE 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 ACETOACETATE 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 ACETOACETATE carries the following function designation(s):

PERFUMING

CAS 141-97-9 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 ACETOACETATE

This page reproduces the CosIng inventory entry for ETHYL ACETOACETATE 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 ACETOACETATE 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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