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CAS 68698-59-9 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 4021102/03/2011

TRANS-2-HEXENYL ISOVALERATE

(E)-Hex-2-enyl 3-methylbutanoate

TRANS-2-HEXENYL 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 68698-59-9

CAS 68698-59-9PubChem CID 5352460

2-Hexenyl isovalerate (2E)-

2-hexenyl isovalerate is a fatty ester resulting from the formal condensation of the carboxy group of isovaleric acid with the hydroxy group of 2-hexen-1-ol. It has a role as a volatile oil component. It is functionally related to a 2-hexen-1-ol and an isovaleric acid. — ChEBI

IUPAC name: [(E)-hex-2-enyl] 3-methylbutanoate

Molecular formula: C11H20O2
Molecular weight: 184.27 g/mol
Exact mass: 184.146329876 Da
XLogP3: 3.2
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

trans-2-Hexenyl isovalerate(E)-2-Hexenyl isovalerateButanoic acid, 3-methyl-, 2-hexenyl ester, (E)-8J63B79Z9ZButanoic acid, 3-methyl-, (2E)-2-hexenyl ester(E)-hex-2-enyl 3-methylbutanoateButanoic acid, 3-methyl-, (2E)-2-hexen-1-yl esterEINECS 272-088-0

16 more reported names

FEMA NO. 3930(E)-2-HEXENYL ISOVALERATE [FHFI]RefChem:4728992-Hexenyl isovalerate(2E)-hex-2-en-1-yl 3-methylbutanoate(E)-Hex-2-enyl isovalerateUNII-8J63B79Z9Z(2E)-2-Hexenyl 3-methylbutanoate(E)-hex-2-en-1-yl 3-methylbutanoateHEX-2-EN-1-YL 3-METHYLBUTANOATEIsovaleric acid trans-2-hexen-1-yl ester2-hexenyl 3-methylbutyrate2-hexenyl 3-methylbutanoatehex-2-en-1-yl isovaleratehex-2-enyl 3-methylbutyrateFEMA 3930

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External database identifiers

ChEBI:CHEBI:172052
ChEBI:CHEBI:176332
EPA DTXSID:DTXSID70887486

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 TRANS-2-HEXENYL ISOVALERATE

INCI name

TRANS-2-HEXENYL ISOVALERATE

Description

(E)-Hex-2-enyl 3-methylbutanoate

Record provenance

Inventory reference: 40211
Imported identity: TRANS-2-HEXENYL ISOVALERATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for TRANS-2-HEXENYL ISOVALERATE

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Key data

CAS

68698-59-9

272-088-0

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

TRANS-2-HEXENALPERFUMING

TRANS-2-HEXENOLPERFUMING

TRANS-2-HEXENYL BUTYRATEPERFUMING

TRANS-2-HEXENYL HEXANOATEPERFUMING

TRANS-2-HEXENYL PHENYLACETATEPERFUMING

TRANS-2-HEXENYL PROPIONATEPERFUMING

TRANS-2-HEXENYL SALICYLATEPERFUMING

TRANS-2-HEXENYL VALERATEPERFUMING

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 TRANS-2-HEXENYL ISOVALERATE appears in the CosIng inventory

The CosIng inventory lists TRANS-2-HEXENYL 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.

TRANS-2-HEXENYL 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

TRANS-2-HEXENYL 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, TRANS-2-HEXENYL ISOVALERATE carries the following function designation(s):

PERFUMING

CAS 68698-59-9 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 TRANS-2-HEXENYL ISOVALERATE

This page reproduces the CosIng inventory entry for TRANS-2-HEXENYL 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 TRANS-2-HEXENYL 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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