Ingredient · E503ii

E503ii

Source
Not animal-derived
Allergen
No
Role in food
Ammonium carbonate is used as a leavening agent in baking, particularly in cookies and …

What is E503ii?

E503ii is ammonium carbonate, a chemical compound made from ammonia and carbon dioxide. It is a white crystalline powder that readily dissolves in water. It is produced industrially through a reaction between ammonia and carbon dioxide.

Is E503ii vegan?

E503ii is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is E503ii gluten-free?

It does not contain gluten.

Is E503ii a major allergen?

Ammonium carbonate is not derived from any of the nine major allergens recognized by the FDA.

What is E503ii used for?

Ammonium carbonate is used as a leavening agent in baking, particularly in cookies and crackers.

Is E503ii safe?

In the US, ammonium carbonate is generally recognized as safe (GRAS) by the FDA for use as a food additive.

Why it's used

Ammonium carbonate is used as a leavening agent in baking, particularly in cookies and crackers. It helps baked goods rise and become lighter by producing carbon dioxide gas when heated. It is often found in products like cookies, cakes, and biscuits.

Health notes

In the US, ammonium carbonate is generally recognized as safe (GRAS) by the FDA for use as a food additive. It is considered safe when consumed in amounts typically found in food. International bodies like JECFA have evaluated ammonium carbonate, but did not set a specific numerical acceptable daily intake.

Allergen info

Ammonium carbonate is not derived from any of the nine major allergens recognized by the FDA. It does not contain gluten.

Foods that contain E503ii

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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: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.