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CAS 17618-45-0 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 3428115/10/2010

HEXYLDECYL STEARATE

Octadecanoic acid, 2-hexyldecyl ester

HEXYLDECYL 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 17618-45-0

CAS 17618-45-0PubChem CID 9806300

Hexyldecyl Stearate

The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating. — Cosmetic Ingredient Review (CIR)

IUPAC name: 2-hexyldecyl octadecanoate

Molecular formula: C34H68O2
Molecular weight: 508.9 g/mol
Exact mass: 508.52193141 Da
XLogP3: 16.0
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

2-Hexyldecyl stearateEutanol G 16SEutanol G 16 SOctadecanoic acid, 2-hexyldecyl ester1-Decanol, 2-hexyl-, stearateStearic acid, 2-hexyldecyl esterUNII-OJX2P28Y14OJX2P28Y14

7 more reported names

RefChem:146367HEXYLDECYL STEARATE [INCI](+-)-2-HEXYLDECYL STEARATE2-HEXYLDECYL STEARATE, (+-)-(+/-)-2-Hexyldecyl stearate2-Hexyldecyl stearate, (+/-)-MWKPHOIHTLQZIY-UHFFFAOYSA-N

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID50938768

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 HEXYLDECYL STEARATE

INCI name

HEXYLDECYL STEARATE

Description

Octadecanoic acid, 2-hexyldecyl ester

Record provenance

Inventory reference: 34281
Imported identity: HEXYLDECYL STEARATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for HEXYLDECYL STEARATE

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Key data

CAS

17618-45-0

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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.

#11987 · HEXYLDECYL STEARATE

Ingredients with overlapping formulation functions

HEXYLDECYL HEXYLDECANOATESKIN CONDITIONING - EMOLLIENT

HEXYLDECYL LAURATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

HEXYLDECYL MYRISTOYL METHYLAMINOPROPIONATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

HEXYLDECYL OLEATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

HEXYLDECYLOCTADECANOLSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

HEXYLDODECYL/OCTYLDECYL HYDROXYSTEARATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

HIBISCUS SABDARIFFA CALLUS CULTURE CONDITIONED MEDIAANTIOXIDANT; SKIN CONDITIONING - EMOLLIENT; SKIN CONDITIONING - HUMECTANT

HIBISCUS SABDARIFFA CALLUS CULTURE LYSATEANTIOXIDANT; SKIN CONDITIONING - EMOLLIENT; SKIN CONDITIONING - HUMECTANT

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 HEXYLDECYL STEARATE appears in the CosIng inventory

The CosIng inventory lists HEXYLDECYL 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.

HEXYLDECYL STEARATE 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

HEXYLDECYL 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, HEXYLDECYL STEARATE carries the following function designation(s):

CAS 17618-45-0 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 HEXYLDECYL STEARATE

This page reproduces the CosIng inventory entry for HEXYLDECYL 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 HEXYLDECYL 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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