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CAS 140-26-1 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 4060402/03/2011

PHENETHYL ISOVALERATE

Phenylethyl 3-methylbutanoate

PHENETHYL ISOVALERATE 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 140-26-1

CAS 140-26-1PubChem CID 8792

Phenylethyl isovalerate

phenethyl isovalerate has been reported in Heracleum dissectum, Matricaria discoidea, and other organisms with data available. — LOTUS - the natural products occurrence database

IUPAC name: 2-phenylethyl 3-methylbutanoate

Molecular formula: C13H18O2
Molecular weight: 206.28 g/mol
Exact mass: 206.130679813 Da
XLogP3: 3.6
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Phenethyl isovalerateButanoic acid, 3-methyl-, 2-phenylethyl esterISOVALERIC ACID, PHENETHYL ESTERPhenylethyl 3-methylbutyrateFEMA No. 2871K86JE60K0LNSC-21899RefChem:172673

16 more reported names

205-406-32-Phenylethyl isovaleratephenethyl 3-methylbutanoatePhenethyl isovalerianate2-Phenylethyl 3-methylbutirateBenzylcarbinyl isovaleratePhenethyl 3-methylbutyrateBenzylcarbinyl isopentanoateBenzylcarbinyl 3-methylbutanoate.beta.-Phenylethyl isovalerate2-phenylethyl isopentanoateBenzyl carbinyl isovalerianate3-methylbutanoic acid 2-phenylethyl esterPhenyl ethyl 3-methyl-butanoatePhenethyl isovalerate (natural)Isovaleric Acid Phenethyl Ester

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External database identifiers

EPA DTXSID:DTXSID2059693

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 PHENETHYL ISOVALERATE

INCI name

PHENETHYL ISOVALERATE

Description

Phenylethyl 3-methylbutanoate

Record provenance

Inventory reference: 40604
Imported identity: PHENETHYL ISOVALERATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for PHENETHYL ISOVALERATE

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Key data

CAS

140-26-1

205-406-3

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

PHENETHYL CROTONATEPERFUMING

PHENETHYL FORMATEPERFUMING

PHENETHYL ISOBUTYRATEPERFUMING

PHENETHYL ISOTHIOCYANATEPERFUMING

PHENETHYL METHACRYLATEPERFUMING

PHENETHYL METHYL ETHYL CARBINOLPERFUMING

PHENETHYL METHYL ETHYL CARBINYL ACETATEPERFUMING

PHENETHYL PHENYLACETATEPERFUMING

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 PHENETHYL ISOVALERATE appears in the CosIng inventory

The CosIng inventory lists PHENETHYL ISOVALERATE 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.

PHENETHYL ISOVALERATE 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

PHENETHYL ISOVALERATE 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, PHENETHYL ISOVALERATE carries the following function designation(s):

PERFUMING

CAS 140-26-1 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 PHENETHYL ISOVALERATE

This page reproduces the CosIng inventory entry for PHENETHYL ISOVALERATE 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 PHENETHYL ISOVALERATE 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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