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Ethyltriacetoxysilane

CAS 17689-77-9

Also registered as 1 other CAS number

862207-18-9

Ethyltriacetoxysilane chemical structure

Concern score

Not assessed — no hazard data yet.

Ethyltriacetoxysilane in plain language

What it is

Also known as Ethylsilanetriyl triacetate · Silanetriol, 1-ETHYL-, 1,1,1-TRIACETATE · (Triacetoxy)ethylsilane · C8H14O6Si · CE6345 · Dynasylan ETAC

Show all 20 names

Ec 241-677-4 · Ethylsilanetriol triacetate · Kxjlgcbcrcsxqf-uhfffaoysa-n · Silane, ethyltriacetoxy- · Silantriol, ethyl-, triacetate · Silanetriol, 1ethyl, 1,1,1triacetate · Silanetriol, ethyl-, triacetate · Tris(acetyloxy)ethylsilane · Triacetoxy(ethyl)silane · Triacetoxyethylsilan · Triacetoxyethylsilane · UNII-38023A64VV · ethyltriacetoxysilane (mfr's invalid cas #1768-97-79) · triacetoxietilsilano

What it does

Used in consumer products as a thickener.

  • Thickener
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Ethyltriacetoxysilane appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 425 composition records across product categories including Construction and building materials, Home maintenance, Vehicle. EPA CPDat classifies this chemical for functional uses including Chemical reaction regulator, Viscosity modifier.
    • EPA CPDat observed this chemical in 425 composition records across product categories including Construction and building materials, Home maintenance, Vehicle. EPA CPDat classifies this chemical for functional uses including Chemical reaction regulator, Viscosity modifier.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

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

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated oct 25 2016

    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 Ethyltriacetoxysilane in a product composition. These are source records, not Greenveil catalog products.

Source records

425

Named organisations

6

Construction and building materialsHome maintenanceVehicleIndustrial productsRaw materialsLaboratory supplies

Typical roles

Thickener
See products using Ethyltriacetoxysilane →