Ammonium Silver Zeolite

INCI: AMMONIUM SILVER ZEOLITE

CAS Number
171781-73-4
Function
Preservative, antimicrobial
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Permitted; not specifically restricted by FDA for cosmetic use; CIR reviewed silicates/zeolites as safe with caveats for inhalation

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Silver accumulation risk (argyria at chronic high exposure); reproductive toxicity classification for related silver zeolites (Repr. Cat. 2); EU Annex II prohibition applies for this ingredient.

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Concern Level: High

Regulatory Flags

preservative

Frequently Asked Questions

Is Ammonium Silver Zeolite safe in cosmetics?

Silver accumulation risk (argyria at chronic high exposure); reproductive toxicity classification for related silver zeolites (Repr. Cat. 2); EU Annex II prohibition applies for this ingredient. The EU classifies Ammonium Silver Zeolite as "prohibited". Safety rating: MODERATE.

Is Ammonium Silver Zeolite allowed in the EU?

Ammonium Silver Zeolite EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Ammonium Silver Zeolite do in cosmetics?

Ammonium Silver Zeolite functions as: Preservative, antimicrobial. It is classified as a cosmetic ingredient in our database. CAS number: 171781-73-4.

What is the Margin of Safety for Ammonium Silver Zeolite?

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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