What function does STEARYL STEAROYL STEARATE serve in cosmetics?

According to the EU CosIng inventory, STEARYL STEAROYL STEARATE carries the following function designation(s): SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING.

What other records share CAS 54684-78-5?

CAS 54684-78-5 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.

How do I check if my formula contains STEARYL STEAROYL STEARATE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 3834215/10/2010

STEARYL STEAROYL STEARATE

Octadecanoic acid, 12-[(1-oxooctadecyl)oxy]-, octadecyl ester

STEARYL STEAROYL STEARATE 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 54684-78-5

CAS 54684-78-5PubChem CID 6453052

Octadecanoic acid, 12-((1-oxooctadecyl)oxy)-, octadecyl ester

IUPAC name: octadecyl 12-octadecanoyloxyoctadecanoate

Molecular formula: C54H106O4
Molecular weight: 819.4 g/mol
Exact mass: 818.80911186 Da
XLogP3: 24.4
Topological polar surface area: 52.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

stearyl stearoyl stearate040Q7T9FO6HETESTER SSSOctadecanoic acid, 12-[(1-oxooctadecyl)oxy]-, octadecyl ester12-((1-OXOOCTADECYL)OXY)OCTADECANOIC ACID, OCTADECYL ESTERRefChem:855565(+-)-STEARYL STEAROYL STEARATESTEARYL STEAROYL STEARATE [INCI]

7 more reported names

Octadecanoic acid, 12-(1-oxooctadecyl)oxy-, octadecyl ester691-871-1UNII-040Q7T9FO6QGWQWPPETFBXNT-UHFFFAOYSA-Noctadecyl 12-(stearoyloxy)octadecanoate(+/-)-STEARYL STEAROYL STEARATEOCTADECYL 12-(OCTADECANOYLOXY)OCTADECANOATE

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID30866439

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 STEARYL STEAROYL STEARATE

INCI name

STEARYL STEAROYL STEARATE

Description

Octadecanoic acid, 12-[(1-oxooctadecyl)oxy]-, octadecyl ester

Record provenance

Inventory reference: 38342
Imported identity: STEARYL STEAROYL STEARATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for STEARYL STEAROYL STEARATE

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Key data

CAS

54684-78-5

—

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.
VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

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

#27868 · STEARYL STEAROYL STEARATE

Ingredients with overlapping formulation functions

STEARYL GLYCOL ISOSTEARATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

STEARYL LINOLEATEOPACIFYING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

STEARYL METHACRYLATE/PERFLUOROOCTYLETHYL METHACRYLATE COPOLYMERFILM FORMING, VISCOSITY CONTROLLING

STEARYL STEARATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

STEARYLVINYL ETHER/MA COPOLYMERANTISTATIC, EMULSION STABILISING, FILM FORMING, VISCOSITY CONTROLLING

STERCULIA URENS GUMBINDING, EMULSION STABILISING, FRAGRANCE, HAIR FIXING, VISCOSITY CONTROLLING

STYRENE/ACRYLATES/ACRYLONITRILE COPOLYMERFILM FORMING, OPACIFYING, VISCOSITY CONTROLLING

STYRENE/ALLYL BENZOATE COPOLYMERFILM FORMING, VISCOSITY CONTROLLING

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 STEARYL STEAROYL STEARATE appears in the CosIng inventory

The CosIng inventory lists STEARYL STEAROYL STEARATE 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.

STEARYL STEAROYL STEARATE is also tagged with 3 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

STEARYL STEAROYL STEARATE 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, STEARYL STEAROYL STEARATE carries the following function designation(s):

CAS 54684-78-5 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 STEARYL STEAROYL STEARATE

This page reproduces the CosIng inventory entry for STEARYL STEAROYL STEARATE 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 STEARYL STEAROYL STEARATE 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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