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Silica dimethyl silylate

CAS 68611-44-9

Concern score

Not assessed — no hazard data yet.

Silica dimethyl silylate in plain language

What it is

Also known as Silane, dichlorodimethyl-, reaction products with silica · Aerosil R972 · Dichlorodimethylsilane-silica reaction products · Silane, dichloromethyl-, reaction products with silicia · Silane, dichloromethyl-, reaction products with silica · amorphous Silica

Show all 11 names

hydrophobic colloidal Silica · Treated Filler · amorphous silica gel · hydrophobic fumed silica · polymeric resin

What it does

Used in cosmetics as an emollient, an anticaking agent and an antifoaming agent. Silane, dichlorodimethyl-, reaction products with silica.

  • Emollient
  • Anticaking
  • Antifoaming
  • Emulsion stabilising
  • Viscosity controlling
  • Emulsifier
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. Silica dimethyl silylate appears in these published regulatory listings.

  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Industrial
  • USFDAinactive ingredient database7 entries — 3 administration routes
    • Route: ORAL; Dosage form: SUSPENSION; Maximum daily exposure: 120 mgSource →
    • Route: ORAL; Dosage form: TABLET; Maximum daily exposure: 8 mgSource →
    • Route: ORAL; Dosage form: TABLET, EXTENDED RELEASE; Maximum daily exposure: 10 mgSource →
    • Route: ORAL; Dosage form: TABLET, FILM COATED; Maximum daily exposure: 2 mgSource →
    • Route: SUBLINGUAL; Dosage form: TABLET; Maximum daily exposure: 2 mgSource →
    • Route: VAGINAL; Dosage form: CREAM; Maximum daily exposure: 50 mgSource →
    • Route: ORAL; Dosage form: CAPSULE; Potency: 0.5 mgSource →
  • EUCosIngActiveSilane, dichlorodimethyl-, reaction products with silica
    • Silane, dichlorodimethyl-, reaction products with silicaSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 2056 composition records across product categories including Construction and building materials, Home maintenance, Electronics/small appliances. EPA CPDat classifies this chemical for functional uses including Defoamer, Softener and conditioner, Viscosity modifier.
    • EPA CPDat observed this chemical in 2056 composition records across product categories including Construction and building materials, Home maintenance, Electronics/small appliances. EPA CPDat classifies this chemical for functional uses including Defoamer, Softener and conditioner, Viscosity modifier.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as structurallydiverse.
    • openFDA substance registry classifies this ingredient as structurallydiverse.Source →

Expert safety opinions

No expert opinion on file for Silica dimethyl silylate. 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 Silica dimethyl silylate 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 june 22, 2017

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    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 Silica dimethyl silylate in a product composition. These are source records, not Greenveil catalog products.

Source records

2,056

Named organisations

6

Construction and building materialsHome maintenanceElectronics/small appliancesMedical/dentalRaw materialsSpecialty occupational products

Typical roles

EmollientAnticakingAntifoamingEmulsion stabilisingViscosity controllingEmulsifier
See products using Silica dimethyl silylate →

Catalog

Found in these products

Their ingredient lists include Silica dimethyl silylate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 227 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Silica dimethyl silylate in the catalog.