Ingredient · E450(iii)

Sodium Acid Pyrophosphate Baking Soda

Source
Not animal-derived
Allergen
No
Role in food
SAPP is used as a leavening agent in baked goods like cookies, cakes, and …

What is Sodium Acid Pyrophosphate Baking Soda?

Sodium acid pyrophosphate (SAPP) is a leavening agent. It is a salt made from phosphoric acid and sodium. It is commonly produced by heating sodium acid phosphate.

Is Sodium Acid Pyrophosphate Baking Soda vegan?

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

Is Sodium Acid Pyrophosphate Baking Soda a major allergen?

Not a major allergen.

What is Sodium Acid Pyrophosphate Baking Soda used for?

SAPP is used as a leavening agent in baked goods like cookies, cakes, and crackers.

Is Sodium Acid Pyrophosphate Baking Soda safe?

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

Why it's used

SAPP is used as a leavening agent in baked goods like cookies, cakes, and crackers. It reacts with baking soda to produce carbon dioxide gas, which makes dough and batter rise. It helps create a light and fluffy texture in these products.

Health notes

SAPP is generally recognized as safe (GRAS) by the FDA when used as a food additive. It is also approved for use in the European Union. JECFA has evaluated SAPP and established an acceptable daily intake. Some studies suggest high phosphate intake from all sources may be a concern for bone health and cardiovascular health, but typical intake from SAPP in food is not considered a risk.

Allergen info

Not a major allergen.

Foods that contain Sodium Acid Pyrophosphate Baking Soda

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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.