Ingredient

Sodium Acid Prophosphate

Source
Not animal-derived
Allergen
No
Role in food
It is used in baked goods like cakes and biscuits to create a fluffy …

What is Sodium Acid Prophosphate?

Sodium acid pyrophosphate is a leavening agent, meaning it helps foods rise. It is a white powder made from reacting phosphoric acid with sodium carbonate or sodium hydroxide.

Is Sodium Acid Prophosphate vegan?

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

Is Sodium Acid Prophosphate a major allergen?

Not a major allergen.

What is Sodium Acid Prophosphate used for?

It is used in baked goods like cakes and biscuits to create a fluffy texture.

Is Sodium Acid Prophosphate safe?

Sodium acid pyrophosphate is generally recognized as safe (GRAS) by the FDA when used as a food additive.

Why it's used

It is used in baked goods like cakes and biscuits to create a fluffy texture. It works with baking soda to produce carbon dioxide gas when heated or mixed with liquid, causing doughs and batters to expand.

Health notes

Sodium acid pyrophosphate is generally recognized as safe (GRAS) by the FDA when used as a food additive. It is a source of phosphorus, an essential mineral. JECFA has evaluated it and established an acceptable daily intake. While high phosphorus intake can be a concern for individuals with kidney disease, typical dietary intake from food additives is not considered harmful for the general population.

Allergen info

Not a major allergen.

Foods that contain Sodium Acid Prophosphate

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Last updated: October 5, 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.