What function does STEARYL PALMITATE serve in cosmetics?

According to the EU CosIng inventory, STEARYL PALMITATE carries the following function designation(s): BINDING, HAIR CONDITIONING, HUMECTANT, LIGHT STABILIZER, OPACIFYING, SKIN CONDITIONING, SURFACTANT - EMULSIFYING.

What other records share CAS 2598-99-4?

CAS 2598-99-4 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.

How do I check if my formula contains STEARYL PALMITATE?

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 5880315/10/2010

STEARYL PALMITATE

Hexadecanoic acid, octadecyl ester

STEARYL PALMITATE 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 2598-99-4

CAS 2598-99-4PubChem CID 75778

Stearyl Palmitate

Stearyl palmitate is a palmitate ester resulting from the formal condensation of the carboxy group of palmitic acid with the hydroxy group of stearyl alcohol. It has a role as a cosmetic and a coral metabolite. It is a wax ester and a hexadecanoate ester. It is functionally related to an octadecan-1-ol. — ChEBI

IUPAC name: octadecyl hexadecanoate

Molecular formula: C34H68O2
Molecular weight: 508.9 g/mol
Exact mass: 508.52193141 Da
XLogP3: 16.3
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Octadecyl palmitateHexadecanoic acid, octadecyl esterPalmitic acid, octadecyl ester214W90O2XZCHEBI:84066palmitic acid octadecyl esterHexadecanoic acid octadecyl esterRefChem:185425

16 more reported names

220-000-6309-376-3Palmitic acid stearyl esteroctadecanyl hexadecanoateEINECS 220-000-6UNII-214W90O2XZAI3-30713Hexadecanoic Acid Octadecyl Ester; Palmitic Acid Octadecyl Ester; Octadecyl Hexadecanoate; Octadecyl Palmitate; Purester 34;EINECS 309-376-3N/A (mixture)Stearyl palmitate, >=99%PALMITIC ACID, STEARYL ESTERs5106TCL-00170CCG-269767HY-W127430

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:84066
EPA DTXSID:DTXSID0026048
PubMed:23064772
PubMed:22058425
PubMed:21823455
PubMed:4089

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 PALMITATE

INCI name

STEARYL PALMITATE

Description

Hexadecanoic acid, octadecyl ester

Record provenance

Inventory reference: 58803
Imported identity: STEARYL PALMITATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for STEARYL PALMITATE

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Key data

CAS

2598-99-4

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Restriction

—

Function

BINDING: Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.
HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
HUMECTANT: Retaining and/or preserving the moisture in a product during use.
LIGHT STABILIZER: Protecting the cosmetic product from deterioration effects of light.
OPACIFYING: Reducing transparency or translucency of cosmetics.
SKIN CONDITIONING: Maintaining the skin in good condition.
SURFACTANT - EMULSIFYING: Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

Official EU ingredient-name evidence

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

#27860 · STEARYL PALMITATE

Ingredients with overlapping formulation functions

RUSCUS ACULEATUS ROOT EXTRACTASTRINGENT, LIGHT STABILIZER, REFRESHING, SKIN CONDITIONING, SOOTHING, TONIC

SHINORINEANTIMICROBIAL, ANTIOXIDANT, HAIR CONDITIONING, LIGHT STABILIZER, SKIN PROTECTING

SODIUM STANNATELIGHT STABILIZER, VISCOSITY CONTROLLING

SODIUM TUNGSTATE ANTIMONATEANTIMICROBIAL, CHELATING, LIGHT STABILIZER

TEA-SALICYLATELIGHT STABILIZER, PRESERVATIVE, UV FILTER

TEREPHTHALYLIDENE DICAMPHOR SULFONIC ACIDLIGHT STABILIZER, UV ABSORBER, UV FILTER

TETRAHYDRO-6-NITROQUINOXALINEHAIR DYEING, LIGHT STABILIZER

THEOBROMA CACAO CALLUS POWDERANTIOXIDANT, BLEACHING, LIGHT STABILIZER, SKIN CONDITIONING, SKIN PROTECTING

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 PALMITATE appears in the CosIng inventory

The CosIng inventory lists STEARYL PALMITATE 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 PALMITATE is also tagged with 7 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 PALMITATE 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 PALMITATE carries the following function designation(s):

CAS 2598-99-4 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 STEARYL PALMITATE

This page reproduces the CosIng inventory entry for STEARYL PALMITATE 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 PALMITATE 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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