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CAS 3645-96-3 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 9201708/10/2014

ISOBUTYL RICINOLEATE

1-Naphthalenepropanol, \a-ethenyldecahydro-4-hydroxy\a-,5,5,8a-tetramethyl-2-methylene-, (\a-.S,1S,4S,4aS,8aR)-,9-Octadecenoic acid, 12-hydroxy-, 2-methylpropyl ester,

ISOBUTYL RICINOLEATE 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 3645-96-3

CAS 3645-96-3PubChem CID 87251227

Isobutyl ricinoleate

IUPAC name: 2-methylpropyl (Z,12R)-12-hydroxyoctadec-9-enoate

Molecular formula: C22H42O3
Molecular weight: 354.6 g/mol
Exact mass: 354.31339520 Da
XLogP3: 7.4
Topological polar surface area: 46.5 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 1

Also known as

Pelemol ibr4V9HJT2L5TUNII-4V9HJT2L5TIsobutyl ricinoleate [INCI]9-Octadecenoic acid, 12-hydroxy-, 2-methylpropyl ester, (R-(Z))-RefChem:149101

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External database identifiers

EPA DTXSID:DTXSID401031943

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 ISOBUTYL RICINOLEATE

INCI name

ISOBUTYL RICINOLEATE

Description

1-Naphthalenepropanol, \a-ethenyldecahydro-4-hydroxy\a-,5,5,8a-tetramethyl-2-methylene-, (\a-.S,1S,4S,4aS,8aR)-,9-Octadecenoic acid, 12-hydroxy-, 2-methylpropyl ester,

Record provenance

Inventory reference: 92017
Imported identity: ISOBUTYL RICINOLEATE
Source update: 08/10/2014

European Commission CosIng source notes

Annex records for ISOBUTYL RICINOLEATE

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Key data

CAS

3645-96-3

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Restriction

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Function

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Official EU ingredient-name evidence

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

#13688 · ISOBUTYL RICINOLEATE

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 ISOBUTYL RICINOLEATE appears in the CosIng inventory

The CosIng inventory lists ISOBUTYL RICINOLEATE 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.

Regulatory conditions, if any, come from Annex II–VI records and should be checked before use in a formulation.

Frequently asked questions

ISOBUTYL RICINOLEATE 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.

CAS 3645-96-3 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 ISOBUTYL RICINOLEATE

This page reproduces the CosIng inventory entry for ISOBUTYL RICINOLEATE 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 ISOBUTYL RICINOLEATE 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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