Ethyl Polysilicate

Also known as: EINECS 234-324-0, Ethyl silicate

INCI: ETHYL POLYSILICATE

Ethyl Polysilicate (CAS 11099-06-2) is a cosmetic cosmetic ingredient functioning as Film forming. NOAEL 50 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); 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 11099-06-2 →

Auto-generated CPSR Part A draft with source citations
Function
Film forming
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C2H6O3Si
MW
106.15 g/mol
EC Number
234-324-0
PubChem CID
9877350
IUPAC Name
ethoxy-hydroxy-oxosilane
InChIKey
JDAIJCNBFIWLJJ-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — listed on TSCA inventory; not specifically restricted for cosmetics under 21 CFR

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Ethyl Polysilicate across SCCS product categories, with measured dermal absorption where available.

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Film former Hardener

Expert Verdict

Expert safety assessment and concern-level summary for Ethyl Polysilicate.

Known Synonyms

EINECS 234-324-0 Ethyl silicate

Chemical Function

Film former Hardener

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Ethyl Polysilicate safe in cosmetics?

Ethyl Polysilicate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Ethyl Polysilicate allowed in the EU?

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

What does Ethyl Polysilicate do in cosmetics?

Ethyl Polysilicate functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: 11099-06-2.

Is Ethyl Polysilicate used outside cosmetics?

Ethyl Polysilicate 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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