Ingredient

Sodium Acid Pyrophosphate & Sodium Bicarbonate

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Source
Not animal-derived
Allergen
No
Role in food
When combined, these ingredients act as a chemical leavening system in baked goods. They …

What it is

Sodium acid pyrophosphate (SAPP) and sodium bicarbonate are chemical compounds often used together. Sodium bicarbonate is a common leavening agent, also known as baking soda. Sodium acid pyrophosphate is a leavening acid that reacts with sodium bicarbonate to produce carbon dioxide gas.

Why it's used

When combined, these ingredients act as a chemical leavening system in baked goods. They cause doughs and batters to rise, creating a lighter texture. They are commonly found in cakes, muffins, biscuits, and other pastries.

Health notes

Sodium acid pyrophosphate is generally recognized as safe (GRAS) by the FDA for use in food. Sodium bicarbonate is also GRAS. Both are used in small amounts in food. JECFA has evaluated sodium acid pyrophosphate and set an acceptable daily intake. EFSA has also evaluated it. Evidence does not suggest significant health concerns at typical consumption levels.

Allergen info

Not a major allergen. Not derived from major allergens. Gluten-free.

Products containing Sodium Acid Pyrophosphate & Sodium Bicarbonate

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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.