Ingredient

Diluted Acetic Acid

Source
Not animal-derived
Allergen
No
Role in food
Diluted acetic acid is used as an acidity regulator and preservative in foods. It …

What is Diluted Acetic Acid?

Diluted acetic acid is a water-based solution of acetic acid, a weak organic acid. Acetic acid is produced industrially through the carbonylation of methanol or the oxidation of acetaldehyde. It is also a component of vinegar, which is produced through the fermentation of ethanol by acetic acid bacteria.

Is Diluted Acetic Acid vegan?

Diluted Acetic Acid is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Diluted Acetic Acid a major allergen?

Not a major allergen.

What is Diluted Acetic Acid used for?

Diluted acetic acid is used as an acidity regulator and preservative in foods.

Is Diluted Acetic Acid safe?

Diluted acetic acid is Generally Recognized As Safe (GRAS) by the FDA for use in food.

Why it's used

Diluted acetic acid is used as an acidity regulator and preservative in foods. It provides a sour or tart flavor, similar to vinegar. It is commonly found in condiments like ketchup and mustard, as well as in sauces and pickled products.

Health notes

Diluted acetic acid is Generally Recognized As Safe (GRAS) by the FDA for use in food. It is a common component of vinegar, which has been consumed for centuries. JECFA and EFSA have evaluated acetic acid and its salts, establishing acceptable daily intakes. At typical food levels, it is not associated with adverse health effects. There are no significant controversies regarding its use in food.

Allergen info

Not a major allergen.

Foods that contain Diluted Acetic Acid

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Last updated: October 5, 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.