Stearone

Also known as: Di-n-heptadecyl ketone, EINECS 207-993-1, Heptadecyl ketone, NSC 83612, UNII-7IN8GA6M68

INCI: STEARONE

Stearone (CAS 504-53-0) is a cosmetic cosmetic ingredient functioning as Viscosity controlling, skin conditioning (emollient), bulking agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 504-53-0 →

Auto-generated CPSR Part A draft with source citations
Function
Viscosity controlling, skin conditioning (emollient), bulking agent
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C35H70O
MW
506.9 g/mol
EC Number
207-993-1
PubChem CID
10440
IUPAC Name
pentatriacontan-18-one
InChIKey
DMCJFWXGXUEHFD-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted; CIR reviewed as part of long-chain alkyl ketones — safe as used

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Stearone.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Lubricating agent Viscosity modifier

Expert Verdict

Expert safety assessment and concern-level summary for Stearone.

Known Synonyms

Di-n-heptadecyl ketone EINECS 207-993-1 Heptadecyl ketone NSC 83612 UNII-7IN8GA6M68

Chemical Function

Viscosity modifier Lubricating agent

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Stearone safe in cosmetics?

Stearone has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Stearone allowed in the EU?

Stearone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Stearone do in cosmetics?

Stearone functions as: Viscosity controlling, skin conditioning (emollient), bulking agent. It is classified as a cosmetic ingredient in our database. CAS number: 504-53-0.

Is Stearone used outside cosmetics?

Stearone also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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