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Dimethylsilanediol

CAS 31692-79-2

Also registered as 3 other CAS numbers

1066-42-8 · 196616-86-1 · 2217617-89-3

Dimethylsilanediol chemical structure

Concern score

Not assessed — no hazard data yet.

Dimethylsilanediol in plain language

What it is

Also known as dihydroxy(dimethyl)silane · (CH3)2Si(OH)2 · 1,1-Dimethylsilanediol · 1,1-Dimethylsilanediol >90% · C2H8O2Si · Dihydroxydimethylsilane

Show all 15 names

Dimethiconol · Dimethyl-dihydroxy silane · Dimethyldihydroxysilane · Dimethylsilanediol # · Polydimethylsiloxane, hydroxy terminated, M.W. 4200 · Si(OH)2Me2 · Silanediol, 1,1-dimethyl- · Silanediol, dimethyl- · UNII-DNZ4KJE28U

What it does

We don't have a plain-language description for Dimethylsilanediol yet.

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

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

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

  • 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 Dimethylsilanediol yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • 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.

Catalog

Found in these products

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

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Dimethylsilanediol in the catalog.