Ingredient · E262(ii)

Sodium Diacetate Salt

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add sodium diacetate to foods as a preservative and to control acidity. It …

What it is

Sodium diacetate is a salt made from acetic acid, a common acid found in vinegar. It is formed by combining sodium acetate with acetic acid. This process results in a white crystalline powder that can dissolve in water.

Why it's used

Manufacturers add sodium diacetate to foods as a preservative and to control acidity. It helps prevent spoilage and can add a tangy, vinegar-like flavor. It is often found in processed meats, baked goods, and snack foods like chips and pretzels.

Health notes

In the United States, sodium diacetate is generally recognized as safe (GRAS) by the FDA for use as a food additive. It is also approved as a flavoring agent. International bodies like JECFA have evaluated sodium diacetate, and EFSA has also assessed its safety. Evidence does not suggest adverse health effects from typical consumption levels.

Allergen info

Sodium diacetate is not derived from any of the nine FDA major allergens and does not contain gluten.

Products containing Sodium Diacetate Salt

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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.