Ingredient · E503

Ammonium carbonates

Source
Not animal-derived
Allergen
No
Role in food
Ammonium carbonates act as a chemical leavening agent, producing carbon dioxide gas when heated, …

What is Ammonium carbonates?

Ammonium carbonates are a group of chemical compounds containing ammonium and carbonate ions. They are typically produced by reacting ammonia with carbon dioxide and water. In food, they are primarily used as a leavening agent.

Is Ammonium carbonates vegan?

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

Is Ammonium carbonates gluten-free?

They do not contain gluten.

Is Ammonium carbonates a major allergen?

Ammonium carbonates are not one of the 14 major allergens that require specific emphasis on UK food labels.

What is Ammonium carbonates used for?

Ammonium carbonates act as a chemical leavening agent, producing carbon dioxide gas when heated, which causes baked goods to rise.

Is Ammonium carbonates safe?

Ammonium carbonates are authorised as a food additive in Great Britain and listed on the Register of Food Additive Authorisations.

Why it's used

Ammonium carbonates act as a chemical leavening agent, producing carbon dioxide gas when heated, which causes baked goods to rise. This results in a lighter, crispier texture. They are commonly found in biscuits, crackers, and some types of cookies.

Health notes

Ammonium carbonates are authorised as a food additive in Great Britain and listed on the Register of Food Additive Authorisations. The European Food Safety Authority (EFSA) has evaluated ammonium carbonates. JECFA has also evaluated it and set an acceptable daily intake. At typical intake levels found in food, they are not associated with adverse health effects.

Regulatory status

Authorised in Great Britain (FSA register): England, Scotland, Wales. FSA register of authorised products

Permitted uses in the EU

Ammonium carbonates · legislation: (EU) No 2016/0691

Food categoryMaximum level
1.9 Edible caseinatesNo numerical limit listed
1.10 Milk-based drinks and similar products intended for young children*No numerical limit listed
13.1.3 Processed cereal-based foods and baby foods as defined by Regulation (EU) No 609/2013No numerical limit listed

Maximum levels are shown as published (mg/kg or mg/l, depending on the food). Some entries carry extra conditions and group authorisations are not listed here, so check the full entry before relying on a figure.

Substance is included in Group I, see also authorisation for Group I Substance is included in E 500 - 504, see also authorisation for Group E 500 - 504

Sources: Food Standards Agency (OGL v3); European Commission, Food Additives Database.

Allergen info

Ammonium carbonates are not one of the 14 major allergens that require specific emphasis on UK food labels. They do not contain gluten.

Foods that contain Ammonium carbonates

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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.