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Tetrapropyl orthosilicate

CAS 682-01-9

Tetrapropyl orthosilicate chemical structure

Concern score

Not assessed — no hazard data yet.

Tetrapropyl orthosilicate in plain language

What it is

Also known as Propyl orthosilicate · Tetrapropoxysilane · N-propyl orthosilicate · Tetra-n-propoxy-silane · Tetra-n-propoxysilane · Tetra-n-propyl silicate

Show all 23 names

tetrapropyl silicate · CT2090 · Dynasil p · Ec 211-659-0 · Propyl silicate · Propyl silicate ((PrO)4Si) · Silicic acid (H4SIO4), tetrapropyl ester · Silane, tetrapropoxy- · Silicon orthopropoxide · Silicon tetrapropoxide · Tetrapropoxy silane · Tetrapropyloxysilane · UNII-4PE821G3GH · Zqzcobsuofhdee-uhfffaoysa- · tetra propyl ortho silicate · tetra-n-Propyl orthosilicate · tetrapropyl orthosilicate. pel/tlb for n-propyl alcohol

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. Tetrapropyl orthosilicate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 92 composition records across product categories including Industrial products, Home maintenance, Construction. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, crosslinking / coupling / curing agents > silanes.
    • EPA CPDat observed this chemical in 92 composition records across product categories including Industrial products, Home maintenance, Construction. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, crosslinking / coupling / curing agents > silanes.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 Tetrapropyl orthosilicate 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 January 7, 2008

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

Source records

92

Named organisations

2

Industrial productsHome maintenanceConstructionRaw materialsConstruction and building materials

Typical roles

Thickener
See products using Tetrapropyl orthosilicate →