Ingredient · E450(vi)

Tetra Sodium Phosphate

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Source

Not animal-derived

Allergen

Role in food

Manufacturers use tetrasodium phosphate as a food additive for several purposes, including as an …

What it is

Tetrasodium phosphate (TSP) is a sodium salt of phosphoric acid. It is produced industrially by reacting phosphoric acid with sodium carbonate or sodium hydroxide. TSP is a white, granular or crystalline powder that is highly soluble in water.

Why it's used

Manufacturers use tetrasodium phosphate as a food additive for several purposes, including as an acidity regulator, emulsifier, and thickener. It helps to prevent clumping, improve texture, and maintain moisture in processed foods. It is commonly found in baked goods, dairy products, and seafood.

Health notes

Tetrasodium phosphate is generally recognized as safe (GRAS) by the FDA for use in food. It is also evaluated by international bodies like JECFA. While generally considered safe at typical consumption levels, high intake of phosphates can be a concern for individuals with kidney problems. There is ongoing research into the long-term effects of high phosphate consumption from all sources.

Allergen info

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

Products containing Tetra Sodium Phosphate

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TIPPIN'S Mini Pink French Pie Cakes, Cupcakes, Snack Cakes High in saturated fat — 110% DV per serving High in cholesterol — 47% DV per serving 433kcal 4.2Protein 31.7Fat 35Carbs Dierberg's Markets, Inc. Chocolate Almond Coconut Pie Cakes, Cupcakes, Snack Cakes High in saturated fat — 75% DV per serving 339kcal 3.3Protein 22.5Fat 30.8Carbs Tippin's Restaurants Inc. Mini Supreme Pie, Lemon Cakes, Cupcakes, Snack Cakes High in saturated fat — 70% DV per serving 308kcal 2.3Protein 19.2Fat 33.1Carbs Tippin's Restaurants Inc. Mini Chocolate Peanut Butter Pie Cakes, Cupcakes, Snack Cakes High in saturated fat — 70% DV per serving 358kcal 3.3Protein 24.2Fat 34.2Carbs Dierberg's Markets, Inc. Banana Foster Pie Other Frozen Desserts High in saturated fat — 65% DV per serving 344kcal 2.6Protein 22.2Fat 33.3Carbs Tippin's Restaurants Inc. Mini Bananas Foster Pie Cakes, Cupcakes, Snack Cakes High in saturated fat — 65% DV per serving 342kcal 2.6Protein 22.2Fat 33.3Carbs Tippin's Restaurants Inc. Mini Pink French Pie Cakes, Cupcakes, Snack Cakes High in saturated fat — 110% DV per serving High in cholesterol — 47% DV per serving 433kcal 4.2Protein 31.7Fat 35Carbs

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.