Ingredient · E450(iii)

Disodium Dihydrogen Diphosphate

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Source
Not animal-derived
Allergen
No
Role in food
This ingredient is often used as a leavening agent in baked goods, helping them …

What it is

Disodium dihydrogen diphosphate is a mineral salt, a form of phosphorus. It is produced industrially by heating sodium acid pyrophosphate or other sodium phosphates.

Why it's used

This ingredient is often used as a leavening agent in baked goods, helping them rise and become fluffy. It can also act as an emulsifier, helping to blend ingredients like oil and water, and as a sequestrant to prevent unwanted reactions in processed foods. It is found in cakes, cupcakes, and some frozen desserts.

Health notes

In the U.S., disodium dihydrogen diphosphate is generally recognized as safe (GRAS) by the FDA when used for its intended purpose. It is a source of phosphorus, an essential mineral. International bodies like JECFA have evaluated it. At typical consumption levels, it is not associated with adverse health effects.

Allergen info

Disodium dihydrogen diphosphate is not derived from any of the nine major allergens recognized by the FDA. It does not contain gluten.

Products containing Disodium Dihydrogen Diphosphate

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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.