What does Triethoxysilylpropyl steardimonium chloride do?

Used in cosmetics as an antimicrobial, a cleansing agent and a deodorant. Triethoxysilylpropyl Steardimonium Chloride is the quaternary ammonium salt.

beauty
industrial

Triethoxysilylpropyl steardimonium chloride

CAS 106907-62-4

Also registered as 2 other CAS numbers

2377564-28-6 · 62117-57-1

Triethoxysilylpropyl steardimonium chloride chemical structure

Concern score

Not assessed — no hazard data yet.

Triethoxysilylpropyl steardimonium chloride in plain language

What it is: Also known as dimethyl-octadecyl-(3-triethoxysilylpropyl)azanium chloride · 3-(triethoxysilyl)-propyldimethyloctadecyl ammonium chloride · Ay 43-021 · DIMETHYLOCTADECYL(3-(TRIETHOXYSILYL)PROPYL)AMMONIUM chloride · OCTADECYLDIMETHYL(3-TRIETHOXYSILYLPROPYL)AMMONIUM chloride · Q27293832
Show all 8 names
UNII-XGN40YQC7B · dimethyl-octadecyl-(3-triethoxysilylpropyl)azanium;chloride
What it does: Used in cosmetics as an antimicrobial, a cleansing agent and a deodorant. Triethoxysilylpropyl Steardimonium Chloride is the quaternary ammonium salt.
Antimicrobial
Cleansing
Deodorant
Surfactant
Cleaning agent
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Triethoxysilylpropyl steardimonium chloride appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Industrial

EUCosIngActiveTriethoxysilylpropyl Steardimonium Chloride is the quaternary ammonium salt
- Triethoxysilylpropyl Steardimonium Chloride is the quaternary ammonium saltSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Biocide, Deodorizer.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Biocide, Deodorizer.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Triethoxysilylpropyl steardimonium chloride. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Triethoxysilylpropyl steardimonium chloride yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated 2019-12-20
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Triethoxysilylpropyl steardimonium chloride in a product composition. These are source records, not Greenveil catalog products.

Named organisations

Typical roles

AntimicrobialCleansingDeodorantSurfactantCleaning agent

See products using Triethoxysilylpropyl steardimonium chloride →