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Sodium silicate

CAS 8031-41-2 · 20/100 · High conf.

Also registered as 11 other CAS numbers

11105-00-3 · 37299-97-1 · 54249-86-4 · 65727-85-7 · 84992-49-4 · 106985-35-7 · 1095113-57-7 · 1197343-23-9 · 1202389-71-6 · 1202389-76-1 · 1344-09-8

Concern score

20/100Minor concern based on regulatory listings.
High confidence

Sodium silicate in plain language

What it is

Also known as Sodium salt silicic acid · Silicon sodium oxide · Aqueous sodium silicate · AS Bond 1001 · Acide silicique, sel de sodium · Agrosil LR

Show all 12 names

Agrosil S · AstroSil 112 · Barasil S · acido silicico, sal de sodio · polysilicate anions · Sodium silicate solution

What it does

Used in cosmetics as an anticorrosive and a pH buffer.

  • Anticorrosive
  • Buffering
  • Chelating agent
  • pH adjuster
  • Cleaning agent
Is it a concern?
Minor concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EFSA OpenFoodTox genotoxicity classification: Negative. Source: EFSA CONTAM 2012

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Sodium silicate appears in these published regulatory listings.

  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • EUEFSAEFSA opinionScientific Opinion on the evaluation of the substances currently on the list in the annex to Commission Directive 96/3/EC as acceptable previous cargoes for edible fats and oils - Part III of III (EFSA CONTAM)
    • Scientific Opinion on the evaluation of the substances currently on the list in the annex to Commission Directive 96/3/EC as acceptable previous cargoes for edible fats and oils - Part III of III (EFSA CONTAM)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1904 composition records across product categories including Industrial products, Construction and building materials, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Chelating agent, pH regulating agent, Cleaning agent.
    • EPA CPDat observed this chemical in 1904 composition records across product categories including Industrial products, Construction and building materials, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Chelating agent, pH regulating agent, Cleaning agent.Source →
  • USFDAinactive ingredient databaseRoute: TOPICAL; Dosage form: SOAP; Potency: 0.36 %w/w
    • Route: TOPICAL; Dosage form: SOAP; Potency: 0.36 %w/wSource →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • 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.

  • EFSA

    European Food Safety Authority

    • Scientific Opinion on the evaluation of the substances currently on the list in the annex to Commission Directive 96/3/EC as acceptable previous cargoes for edible fats and oils - Part III of III (EFSA CONTAM)

      2012 · EU EFSA listing · Read the source →

Evidence & sources

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

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-02

    Open →

  • EPA Chemical and Products Database

    exposure · updated october 6, 2016

    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.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

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

Source records

1,904

Named organisations

6

Industrial productsConstruction and building materialsCleaning products and household careHome maintenanceCleaning and safetySpecialty occupational products

Typical roles

AnticorrosiveBufferingChelating agentpH adjusterCleaning agent
See products using Sodium silicate →

Catalog

Found in these products

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

See all 63 →Find products without it →