Potassium Propionate

INCI: POTASSIUM PROPIONATE

CAS Number
327-62-8
Function
Preservative, antimicrobial agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes GRAS as food preservative (21 CFR 184.1221); no specific CIR assessment for cosmetic use; permitted in cosmetics without restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Permitted in EU and US; GRAS food preservative status supports cosmetic use; regulatory classification as preservative should be documented; may cause mild skin irritation at higher concentrations.

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Concern Level: Low

Regulatory Flags

preservative jecfa_safe

Frequently Asked Questions

Is Potassium Propionate safe in cosmetics?

Permitted in EU and US; GRAS food preservative status supports cosmetic use; regulatory classification as preservative should be documented; may cause mild skin irritation at higher concentrations. The EU classifies Potassium Propionate as "permitted". Safety rating: GOOD.

Is Potassium Propionate allowed in the EU?

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

What does Potassium Propionate do in cosmetics?

Potassium Propionate functions as: Preservative, antimicrobial agent. It is classified as a cosmetic ingredient in our database. CAS number: 327-62-8.

What is the Margin of Safety for Potassium Propionate?

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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