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Magnesium aluminum silicate

CAS 9000-67-3

Also registered as 5 other CAS numbers

12768-32-0 · 39390-03-9 · 51668-34-9 · 939775-38-9 · 1327-43-1

Concern score

Not assessed — no hazard data yet.

Magnesium aluminum silicate in plain language

What it is

Also known as Aluminium magnesium silicate · Magnesium aluminum silicate hydrate · Aluminum magnesium silicate · Magnesium aluminium silicate · Unspecified magnesium aluminum silicate · Unspecified form magnesium aluminum silicate

Show all 22 names

Veegum · Aluminium magnesium silicate hydrate · Aluminium magnesium silicate polyhydrate · Acide silicique, sel d'aluminium et de magnesium · magnesium salt Aluminosilicic acid · Aluminum magnesium oxide silicate · Aluminum magnesium silicon oxide · Biltcote · M-907015 · Magnesium aluminium silicate hydrate · MJ-2000 · Silicic acid, aluminum magnesium salt · acido silicico, sal de aluminio y magnesio · magnesium aluminosilicate · magnesium aluminum silicate (clay) · smectite clay or magnesium aluminum silicate

What it does

Used in cosmetics as an absorbent, an anticaking agent and an opacifier.

  • Absorbent
  • Anticaking
  • Opacifying
  • Viscosity controlling
  • Thickener
  • Opacifier
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. Magnesium aluminum silicate appears in these published regulatory listings.

  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • USFDAinactive ingredient database17 entries — 5 administration routes
    • Route: DENTAL; Dosage form: PASTE, DENTIFRICE; Potency: 0.4 %w/wSource →
    • Route: ORAL; Dosage form: CAPSULE; Maximum daily exposure: 60 mgSource →
    • Route: ORAL; Dosage form: CONCENTRATE; Potency: 410 mg/5mlSource →
    • Route: ORAL; Dosage form: GRANULE, FOR SUSPENSION; Potency: 12.5 mg/5mlSource →
    • Route: ORAL; Dosage form: LIQUID; Potency: 82 mg/5mlSource →
    • Route: ORAL; Dosage form: POWDER, FOR SUSPENSION; Potency: NASource →
    • Route: ORAL; Dosage form: SUSPENSION; Potency: 5000 mg/5mlSource →
    • Route: ORAL; Dosage form: SUSPENSION/ DROPS; Potency: 4.15 mg/2.5mlSource →
    • Route: ORAL; Dosage form: SYRUP; Potency: 100 mg/1mlSource →
    • Route: ORAL; Dosage form: TABLET; Potency: 60 mgSource →
    • Route: ORAL; Dosage form: TABLET, CHEWABLE; Potency: 12 mgSource →
    • Route: ORAL; Dosage form: TABLET, EXTENDED RELEASE; Maximum daily exposure: 70 mgSource →
    • Route: RECTAL; Dosage form: SUSPENSION; Maximum daily exposure: 14480 mgSource →
    • Route: TOPICAL; Dosage form: CREAM; Potency: 3 %w/wSource →
    • Route: TOPICAL; Dosage form: LOTION; Potency: 1.5 %w/wSource →
    • Route: TOPICAL; Dosage form: SHAMPOO; Potency: 1.25 %w/wSource →
    • Route: VAGINAL; Dosage form: OINTMENT; Maximum daily exposure: 231 mgSource →
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1304 composition records across product categories including Specialty occupational products, Raw materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Absorbent, Opacifer, Viscosity modifier.
    • EPA CPDat observed this chemical in 1304 composition records across product categories including Specialty occupational products, Raw materials, Home maintenance. EPA CPDat classifies this chemical for functional uses including Absorbent, Opacifer, Viscosity modifier.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

No expert opinion on file for Magnesium aluminum silicate. 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 Magnesium aluminum silicate 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 october 14, 2014

    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 Magnesium aluminum silicate in a product composition. These are source records, not Greenveil catalog products.

Source records

1,304

Named organisations

6

Specialty occupational productsRaw materialsHome maintenanceBatteriesVehicleCleaning and safety

Typical roles

AbsorbentAnticakingOpacifyingViscosity controllingThickenerOpacifier
See products using Magnesium aluminum silicate →

Catalog

Found in these products

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

See all 173 →Find products without it →