# Potassium Laurate

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**Safety rating:** UNKNOWN
**CAS number:** 10124-65-9
**Category:** emulsifier
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-04

## Summary

Potassium laurate is a potassium salt of lauric acid, a saturated fatty acid with 12 carbon atoms. It functions as an emulsifier, anticaking agent, and lubricant in food products, helping to improve texture and prevent clumping in dry ingredients.

## Regulatory status

| Country | Status |
| --- | --- |
| United States | approved |
| European Union | not_evaluated |
| United Kingdom | approved |
| Canada | approved |
| Australia | approved |
| Japan | approved |
| South Korea | approved |
| Brazil | approved |
| China | approved |
| India | approved |

## Detailed analysis

## What is Potassium Laurate?

Potassium laurate (CAS Number: 10124-65-9) is an anionic surfactant derived from lauric acid, a naturally occurring saturated fatty acid found in coconut and palm oils. The compound consists of a laurate anion bonded to potassium cations, creating a water-soluble salt. As a surfactant, potassium laurate has both hydrophobic (water-repelling) and hydrophilic (water-attracting) properties, making it useful in food formulations where emulsification or dispersion of ingredients is necessary.

## Common Uses

Potassium laurate serves multiple functions in food manufacturing:

**Emulsifier**: It helps stabilize mixtures of immiscible ingredients, such as oil and water, by reducing interfacial tension and preventing separation.

**Anticaking Agent**: In powdered products like seasoning blends, instant mixes, and dried soup preparations, potassium laurate prevents clumping and improves flowability by coating particle surfaces and reducing moisture absorption.

**Lubricant/Release Agent**: In food processing, it facilitates smooth operation of manufacturing equipment and prevents product adhesion to surfaces during production and packaging.

These applications are particularly common in convenience foods, instant beverages, dry mixes, and processed seasonings where consistent texture and shelf stability are important.

## Safety Assessment

Potassium laurate has a toxicological profile generally consistent with other fatty acid salts. Key safety considerations include:

**Acute Toxicity**: Studies indicate low acute toxicity when ingested. The laurate component is a naturally occurring fatty acid found in common foods like coconut oil, and potassium is an essential mineral.

**Chronic Exposure**: Limited chronic toxicity data exists specifically for potassium laurate, though its components (lauric acid and potassium) are well-established as safe at typical dietary exposure levels.

**Allergenicity**: No significant allergenicity concerns have been identified, though individuals with sensitivities to coconut-derived ingredients should be aware of the compound's source.

**Digestive Effects**: As a fatty acid salt, potassium laurate may have mild laxative effects at high doses due to its surfactant properties, consistent with other long-chain fatty acid salts.

According to FDA records, there have been zero adverse events and zero recalls associated with potassium laurate, suggesting a safe usage history in food applications.

## Regulatory Status

Potassium laurate is **not listed as GRAS (Generally Recognized As Safe)** by the FDA. However, this designation does not indicate unsafety; rather, it reflects that formal GRAS affirmation has not been pursued or completed through the standard petition process. The compound may be used in food under other regulatory frameworks or historical precedent in some jurisdictions.

In the European Union, fatty acid salts including potassium laurate are evaluated under food additive regulations, though specific approval status varies by member state and application. The absence of regulatory approval in some regions may reflect market factors rather than safety concerns.

Manufacturers using potassium laurate should verify current regulatory requirements in their intended markets, as regulations governing food additives continue to evolve.

## Key Studies

Scientific literature on potassium laurate specifically is limited, but relevant research includes:

- Studies on lauric acid metabolism and safety profiles, demonstrating its rapid digestion and elimination
- General toxicology assessments of fatty acid salts as food additives
- Functional performance evaluations in emulsification and anticaking applications

Most safety data comes from the broader body of research on lauric acid (a dietary component) and potassium salts (essential minerals), both extensively studied. Direct human feeding trials specific to potassium laurate at food additive levels are not prominently published in available scientific literature, contributing to the limited data available for regulatory classification.

## Sources

- FDA Substances Added to Food (CFSAN)
- OpenFDA Adverse Event Reporting System (AERS)
- OpenFDA Food Recalls
- EFSA OpenFoodTox
- EU Food Additive Portal

## Citation

Additive Facts. "Potassium Laurate — Safety, regulation, and evidence." https://additivefacts.com/additives/potassium-laurate. Accessed 2026-05-20.