Magnesium Aluminometasilicate

INCI: MAGNESIUM ALUMINOMETASILICATE

CAS Number
71205-22-6 (commonly referenced; PubChem CID 56841623)
Function
Absorbent, anticaking, bulking, opacifying, viscosity controlling
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Allowed - the CIR Expert Panel concluded it is safe in present practices of use and concentration when formulated to be non-irritating, with the exception that data are insufficient for safety determination of naturally-sourced (mined) versions in products that may be incidentally inhaled

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Inhalation risk for mined/natural-source variants is the primary concern (insufficient data per CIR). Synthetic grades considered safe when non-irritating. Molecular formula Al₂H₂Mg₂O₁₂Si₃; a synthetic silicate clay mineral; multifunctional excipient also used in pharmaceuticals as a tablet disintegrant; high absorption capacity

⚠️
Concern Level: Moderate

Regulatory Flags

natural-origin

Frequently Asked Questions

Is Magnesium Aluminometasilicate safe in cosmetics?

Inhalation risk for mined/natural-source variants is the primary concern (insufficient data per CIR). Synthetic grades considered safe when non-irritating. Molecular formula Al₂H₂Mg₂O₁₂Si₃; a synthetic silicate clay mineral; multifunctional excipient also used in pharmaceuticals as a tablet disintegrant; high absorption capacity The EU classifies Magnesium Aluminometasilicate as "permitted". Safety rating: MODERATE.

Is Magnesium Aluminometasilicate allowed in the EU?

Magnesium Aluminometasilicate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Magnesium Aluminometasilicate do in cosmetics?

Magnesium Aluminometasilicate functions as: Absorbent, anticaking, bulking, opacifying, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 71205-22-6 (commonly referenced; PubChem CID 56841623).

What is the Margin of Safety for Magnesium Aluminometasilicate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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