Potassium Citrate

INCI: POTASSIUM CITRATE

CAS Number
866-84-2 (tripotassium citrate)
Function
Buffering (pH control), chelating, fragrance functional
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes GRAS for food (21 CFR ยง184.1625); no cosmetic restriction

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

No significant safety concerns; at very high concentrations, low pH of unbuffered solutions can cause irritation (formulation-dependent, not intrinsic toxicity).

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Concern Level: None

Regulatory Flags

fragrance-component fda_food_additive

Frequently Asked Questions

Is Potassium Citrate safe in cosmetics?

No significant safety concerns; at very high concentrations, low pH of unbuffered solutions can cause irritation (formulation-dependent, not intrinsic toxicity). The EU classifies Potassium Citrate as "permitted". Safety rating: EXCELLENT.

Is Potassium Citrate allowed in the EU?

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

What does Potassium Citrate do in cosmetics?

Potassium Citrate functions as: Buffering (pH control), chelating, fragrance functional. It is classified as a cosmetic ingredient in our database. CAS number: 866-84-2 (tripotassium citrate).

What is the Margin of Safety for Potassium Citrate?

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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