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CAS 868-57-5 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 4070602/03/2011

METHYL METHYLBUTYRATE

Methyl 2-Methylbutyrate

METHYL METHYLBUTYRATE 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 868-57-5

CAS 868-57-5PubChem CID 13357

Methyl 2-methylbutyrate

Methyl (S)-2-Methylbutanoate is a fatty acid ester. — ChEBI

IUPAC name: methyl 2-methylbutanoate

Molecular formula: C6H12O2
Molecular weight: 116.16 g/mol
Exact mass: 116.083729621 Da
XLogP3: 1.5
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Butanoic acid, 2-methyl-, methyl esterButyric acid, 2-methyl-, methyl esterMethyl anteisovalerateFEMA No. 27192-methylbutanoic acid methyl esterMethyl alpha-methylbutyrateMethyl alpha-methylbutanoateMethyl .alpha.-methylbutyrate

16 more reported names

Methyl .alpha.-methylbutanoateOLG4D4939VMethyl 2-methylbutyrate (natural)EINECS 212-778-0AI3-34461Butyric acid, .alpha.-methyl-, methyl esterMETHYL 2-METHYLBUTYRATE [FCC]METHYL 2-METHYLBUTYRATE [FHFI]METHYL DL-.ALPHA.-METHYLBUTYRATE.ALPHA.-METHYLBUTYRIC ACID METHYL ESTERRefChem:814544(+-)-Methyl 2-methylbutanoateMETHYL DL-ALPHA-METHYLBUTYRATE(+-)-METHYL ALPHA-METHYLBUTYRATE(+-)-METHYL .ALPHA.-METHYLBUTYRATEALPHA-METHYLBUTYRIC ACID METHYL ESTER

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:88538
ChEMBL:CHEMBL2287316
EPA DTXSID:DTXSID1052587
PubMed:22716902
PubMed:22497266
PubMed:22224870
PubMed:22026593
PubMed:21721574
PubMed:21535624
PubMed:20735852
PubMed:20225823
PubMed:20065117
PubMed:18987392
PubMed:16041138
PubMed:15137856

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 METHYL METHYLBUTYRATE

INCI name

METHYL METHYLBUTYRATE

Description

Methyl 2-Methylbutyrate

Record provenance

Inventory reference: 40706
Imported identity: METHYL METHYLBUTYRATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for METHYL METHYLBUTYRATE

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Key data

CAS

868-57-5

212-778-0

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.

#16545 · METHYL METHYLBUTYRATE

Ingredients with overlapping formulation functions

METHYL LAURATEPERFUMING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

METHYL LINALOOLFRAGRANCE; PERFUMING

METHYL LINOLEATEPERFUMING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

METHYL METHYL-TRIMETHYLCYCLOHEXENYL-VINYLOXIRANE-2-CARBOXYLATEPERFUMING

METHYL METHYLCYCLOHEXENECARBOXYLATEPERFUMING

METHYL METHYLPENTYLIDENE-AMINOBENZOATEPERFUMING

METHYL METHYLSALICYLATEPERFUMING

METHYL METHYLUNDECYLIDENE-AMINOBENZOATEPERFUMING

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 METHYL METHYLBUTYRATE appears in the CosIng inventory

The CosIng inventory lists METHYL METHYLBUTYRATE 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.

METHYL METHYLBUTYRATE 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

METHYL METHYLBUTYRATE 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, METHYL METHYLBUTYRATE carries the following function designation(s):

PERFUMING

CAS 868-57-5 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.

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Source note for METHYL METHYLBUTYRATE

This page reproduces the CosIng inventory entry for METHYL METHYLBUTYRATE 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 METHYL METHYLBUTYRATE 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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