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CAS 65416-14-0 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 5761515/10/2010

MALTOL ISOBUTYRATE

Propanoic acid, 2-methyl, 2-methyl-4-oxo-4H-pyran-3-yl ester; 2-Methyl-4-oxo-4H-pyran-3-yl 2-methylpropanoate

MALTOL ISOBUTYRATE 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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 65416-14-0

CAS 65416-14-0PubChem CID 3354132

Maltyl isobutyrate

Maltyl isobutyrate is a pyranone. — ChEBI

IUPAC name: (2-methyl-4-oxopyran-3-yl) 2-methylpropanoate

Molecular formula: C10H12O4
Molecular weight: 196.20 g/mol
Exact mass: 196.07355886 Da
XLogP3: 1.5
Topological polar surface area: 52.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

Maltol isobutyrate2-Methyl-4-oxo-4H-pyran-3-yl isobutyrateMaltyl 2-methylpropanoate2-Methyl-4-oxo-4H-pyran-3-yl 2-methylpropanoatePropanoic acid, 2-methyl-, 2-methyl-4-oxo-4H-pyran-3-yl esterFEMA No. 34622-Methyl-4-pyron-3-yl 2-methylpropanoateEINECS 265-755-2

16 more reported names

6LE3UBK142UNII-6LE3UBK142MALTOL ISOBUTYRATE [FCC]MALTYL ISOBUTYRATE [FHFI]RefChem:155498MALTOL ISOBUTYRATE [INCI](2-methyl-4-oxo-pyran-3-yl) 2-methylpropanoateMaltyl isobutyrate, >=98%, FG3-Hydroxy-2-methyl-4-pyrone IsobutyrateMaltylisobutyratCHEBI:173967VSBHYRPUJHEOBE-UHFFFAOYSA-NTox21_302601AC7834Maltyl isobutyrate, analytical standardLS-13795

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:173967
ChEMBL:CHEMBL3186742
EPA DTXSID:DTXSID4047703

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 MALTOL ISOBUTYRATE

INCI name

MALTOL ISOBUTYRATE

Description

Propanoic acid, 2-methyl, 2-methyl-4-oxo-4H-pyran-3-yl ester; 2-Methyl-4-oxo-4H-pyran-3-yl 2-methylpropanoate

Record provenance

Inventory reference: 57615
Imported identity: MALTOL ISOBUTYRATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for MALTOL ISOBUTYRATE

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Key data

CAS

65416-14-0

265-755-2

Restriction

—

Function

FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
PERFUMING: Used for perfume and aromatic raw materials.
TONIC: Producing a feeling of well-being on skin and hair.

Official EU ingredient-name evidence

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

#15913 · MALTOL ISOBUTYRATE

Ingredients with overlapping formulation functions

LITSEA CUBEBA FRUIT OILFRAGRANCE, PERFUMING, TONIC

MALPIGHIA PUNICIFOLIA FRUITASTRINGENT, SKIN PROTECTING, TONIC

MALT EXTRACTSKIN PROTECTING, TONIC

MALTOLFRAGRANCE, TONIC

MANDRAGORA OFFICINARUM ROOT EXTRACTSKIN CONDITIONING, TONIC

MEDICAGO SATIVA EXTRACTTONIC

MELALEUCA ALTERNIFOLIA LEAF WATERANTI-SEBUM, ANTIMICROBIAL, ASTRINGENT, TONIC

MELALEUCA CAJAPUTI EXTRACTTONIC

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 MALTOL ISOBUTYRATE appears in the CosIng inventory

The CosIng inventory lists MALTOL ISOBUTYRATE 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.

MALTOL ISOBUTYRATE is also tagged with 3 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

MALTOL ISOBUTYRATE 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, MALTOL ISOBUTYRATE carries the following function designation(s):

CAS 65416-14-0 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 MALTOL ISOBUTYRATE

This page reproduces the CosIng inventory entry for MALTOL ISOBUTYRATE 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 MALTOL ISOBUTYRATE 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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