Methenammonium Chloride

INCI: METHENAMMONIUM CHLORIDE

CAS Number
Not assigned in major databases (derivative of methenamine)
Function
Preservative, Antimicrobial (formaldehyde releaser)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - No specific prohibition under general cosmetic ingredient rules

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

Same as methenamine - formaldehyde release concerns; sensitization potential. Chloride salt form of methenamine; increased water solubility compared to base form

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Concern Level: Moderate

Regulatory Flags

potential-allergen preservative

Frequently Asked Questions

Is Methenammonium Chloride safe in cosmetics?

Same as methenamine - formaldehyde release concerns; sensitization potential. Chloride salt form of methenamine; increased water solubility compared to base form The EU classifies Methenammonium Chloride as "restricted". Safety rating: MODERATE.

Is Methenammonium Chloride allowed in the EU?

Methenammonium Chloride EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Methenammonium Chloride do in cosmetics?

Methenammonium Chloride functions as: Preservative, Antimicrobial (formaldehyde releaser). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned in major databases (derivative of methenamine).

What is the Margin of Safety for Methenammonium Chloride?

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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