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CAS 140-03-4 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 3527415/10/2010

METHYL ACETYL RICINOLEATE

Methyl O-acetylricinoleate

METHYL ACETYL 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.

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 140-03-4

CAS 140-03-4PubChem CID 5354176

Methyl acetyl ricinoleate

IUPAC name: methyl (Z,12R)-12-acetyloxyoctadec-9-enoate

Molecular formula: C21H38O4
Molecular weight: 354.5 g/mol
Exact mass: 354.27700969 Da
XLogP3: 6.6
Topological polar surface area: 52.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 1

Also known as

Methyl 12-acetoxyoleateMethyl ricinoleate, acetateNaturechem MARFlexricin P 4Ricinoleic acid, methyl ester, acetateMethyl 12-acetoxy-9-octadecenoate9-Octadecenoic acid, 12-(acetyloxy)-, methyl ester, (9Z,12R)-MAR-N

16 more reported names

NSC 2398Methylester kyseliny acetylricinolejove1GNA03S90ICCRIS 7333PELEMOL MARNSC-2398NSC-4818EINECS 205-392-9Methyl Ricinoleate AcetateRICSIZER C 101BRN 1729461RIC-CIZER C 101Methylester kyseliny acetylricinolejove [Czech]9-Octadecenoic acid, 12-(acetyloxy)-, methyl ester, (R-(Z))-0-03-00-00387 (Beilstein Handbook Reference)12-(Acetyloxy)-9-octadecenoic acid, methyl ester

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID8051706

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 ACETYL RICINOLEATE

INCI name

METHYL ACETYL RICINOLEATE

Description

Methyl O-acetylricinoleate

Record provenance

Inventory reference: 35274
Imported identity: METHYL ACETYL RICINOLEATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for METHYL ACETYL RICINOLEATE

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Key data

CAS

140-03-4

205-392-9

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.
SKIN CONDITIONING - EMOLLIENT: Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.

Official EU ingredient-name evidence

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

#16456 · METHYL ACETYL RICINOLEATE

Ingredients with overlapping formulation functions

METHIONYL SH-POLYPEPTIDE-7 SH-OLIGOPEPTIDE-1 SH-OLIGOPEPTIDE-2SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

METHOXY PEG-2000 BILIRUBINAMIDEANTIOXIDANT; SKIN CONDITIONING - EMOLLIENT; SURFACTANT - EMULSIFYING; EMULSION STABILISING; SKIN PR…

METHOXYCINNAMIDOPROPYL DIMETHYLAMINOBENZAMIDOPROPYL DIMETHICONOLANTIOXIDANT, FILM FORMING, LIGHT STABILIZER, SKIN CONDITIONING - EMOLLIENT

METHOXYCYCLOHEXENONE ETHYLHEXYL GLYCINATEANTIOXIDANT; SKIN CONDITIONING - EMOLLIENT; SOLVENT; LIGHT STABILIZER; UV FILTER

METHYL BENZOATEFRAGRANCE, PRESERVATIVE, SKIN CONDITIONING - EMOLLIENT, SOLVENT

METHYL CANOLATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

METHYL CAPROATEPERFUMING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

METHYL CAPRYLATEPERFUMING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

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 ACETYL RICINOLEATE appears in the CosIng inventory

The CosIng inventory lists METHYL ACETYL 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.

METHYL ACETYL RICINOLEATE is also tagged with 2 cosmetic functions 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 ACETYL 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.

According to the EU CosIng inventory, METHYL ACETYL RICINOLEATE carries the following function designation(s):

CAS 140-03-4 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 ACETYL RICINOLEATE

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