Ingredient · E340i

Monopotassium Phosphate

Source
Not animal-derived
Allergen
No
Role in food
It functions as an acidity regulator, a stabiliser, and a sequestrant in food. It …

What is Monopotassium Phosphate?

Monopotassium phosphate is a salt derived from phosphoric acid and potassium. It is produced industrially by reacting phosphoric acid with potassium hydroxide or potassium carbonate. It appears as a white crystalline powder.

Is Monopotassium Phosphate vegan?

Monopotassium Phosphate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Monopotassium Phosphate gluten-free?

It does not contain gluten.

Is Monopotassium Phosphate a major allergen?

Monopotassium phosphate is not one of the 14 major allergens that must be emphasised on UK food labels.

What is Monopotassium Phosphate used for?

It functions as an acidity regulator, a stabiliser, and a sequestrant in food.

Is Monopotassium Phosphate safe?

Monopotassium phosphate is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations.

Why it's used

It functions as an acidity regulator, a stabiliser, and a sequestrant in food. It is commonly used in instant beverages, processed meats like turkey breast slices, and dairy products to control pH and improve texture.

Health notes

Monopotassium phosphate is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations. European food safety authorities (EFSA) have evaluated it. It is a source of potassium and phosphate, which are essential minerals. At typical dietary intakes, it is not considered to pose a health risk.

Allergen info

Monopotassium phosphate is not one of the 14 major allergens that must be emphasised on UK food labels. It does not contain gluten.

Foods that contain Monopotassium Phosphate

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.