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InventoryRef 3830215/10/2010

STEARONE

Pentatriacontan-18-one

STEARONE 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 504-53-0
CAS 504-53-0PubChem CID 10440

18-Pentatriacontanone

stearone has been reported in Saxifraga stolonifera with data available. — LOTUS - the natural products occurrence database

IUPAC name
pentatriacontan-18-one
Molecular formula
C35H70O
Molecular weight
506.9 g/mol
Exact mass
506.54266685 Da
XLogP3
16.8
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

StearoneDiheptadecyl ketoneStearyl ketoneDi-stearyl ketoneUNII-7IN8GA6M687IN8GA6M68EINECS 207-993-1NSC 83612
15 more reported names
NSC-83612AI3-15184RefChem:79410STEARONE [INCI]207-993-1DMCJFWXGXUEHFD-UHFFFAOYSA-NHeptadecyl ketoneDi-n-heptadecyl ketone18-?PentatriacontanoneC35H70OstearonDB-051778CS-0327134P129018-Pentatriacontanone Solution in Dichloromethane, 1000ug/mL
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 STEARONE

INCI name

STEARONE

Description

Pentatriacontan-18-one

Record provenance

Inventory reference
38302
Imported identity
STEARONE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
504-53-0
EC
207-993-1
Restriction
—
Function
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.

#27801 · STEARONE

Ingredients with overlapping formulation functions

STEARAMIDOPROPYL BETAINEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCO…
STEARETH-10 ALLYL ETHER/ACRYLATES COPOLYMERFILM FORMING, VISCOSITY CONTROLLING
STEARETH-100/PEG-136/HDI COPOLYMERVISCOSITY CONTROLLING
STEARETH-60 CETYL ETHERVISCOSITY CONTROLLING
STEAROXYMETHICONE/DIMETHICONE COPOLYMERSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING
STEARYL ALCOHOLEMULSION STABILISING, FRAGRANCE, OPACIFYING, REFATTING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT -…
STEARYL BETAINEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFA…
STEARYL ERUCAMIDEOPACIFYING, 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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How STEARONE appears in the CosIng inventory

The CosIng inventory lists STEARONE 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.

STEARONE is also tagged with 1 cosmetic function 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

STEARONE 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, STEARONE carries the following function designation(s):

CAS 504-53-0 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 STEARONE

This page reproduces the CosIng inventory entry for STEARONE 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 STEARONE 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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