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CAS 2050-09-1 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 4032602/03/2011

ISOAMYL VALERATE

3-Methylbutyl pentanoate

ISOAMYL VALERATE 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 2050-09-1

CAS 2050-09-1PubChem CID 74901

Isoamyl valerate

3-Methylbutyl pentanoate is a fatty acid ester. — ChEBI

IUPAC name: 3-methylbutyl pentanoate

Molecular formula: C10H20O2
Molecular weight: 172.26 g/mol
Exact mass: 172.146329876 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

Isopentyl valerateIsopentyl pentanoatePentanoic acid, 3-methylbutyl ester3-Methylbutyl valerate7HQJ459H95ISOPENTYL ALCOHOL, VALERATENSC 7006NSC-7006

16 more reported names

ISOAMYL N-VALERATE3-METHYL-1-BUTYL N-VALERATEEINECS 218-081-8VALERIC ACID, ISOPENTYL ESTERAI3-24391RefChem:791561218-081-8Valeric acid, 3-methylbutyl esteriso-Amyl N-valerateIsopentyl valerate, 8CIUNII-7HQJ459H953-Methylbutyl pentanoate, 9CICHEBI:179541Valeric Acid Isoamyl EsterValeric Acid Isopentyl EsterIrishmoss

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External database identifiers

ChEBI:CHEBI:179541
EPA DTXSID:DTXSID70174484

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 ISOAMYL VALERATE

INCI name

ISOAMYL VALERATE

Description

3-Methylbutyl pentanoate

Record provenance

Inventory reference: 40326
Imported identity: ISOAMYL VALERATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for ISOAMYL VALERATE

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Key data

CAS

2050-09-1

218-081-8

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

ISOAMYL PHENYLACETATEPERFUMING

ISOAMYL PROPIONATEPERFUMING

ISOAMYL SALICYLATEPERFUMING

ISOAMYL TIGLATEPERFUMING

ISOAMYLBENZOATEPERFUMING

ISOBERGAMATEPERFUMING

ISOBORNEOLPERFUMING

ISOBORNYL ACETATEFRAGRANCE, PERFUMING

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 ISOAMYL VALERATE appears in the CosIng inventory

The CosIng inventory lists ISOAMYL VALERATE 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.

ISOAMYL VALERATE 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

ISOAMYL VALERATE 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, ISOAMYL VALERATE carries the following function designation(s):

PERFUMING

CAS 2050-09-1 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 ISOAMYL VALERATE

This page reproduces the CosIng inventory entry for ISOAMYL VALERATE 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 ISOAMYL VALERATE 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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Tools & next steps

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