Ingredient · E260

20% Acidity

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add acetic acid to foods to provide a sour or acidic taste and …

What is 20% Acidity?

This refers to a solution that is 20% acetic acid by weight. Acetic acid is a clear, colorless liquid with a sharp, sour taste and smell. It is produced industrially through the carbonylation of methanol or the oxidation of acetaldehyde.

Is 20% Acidity vegan?

20% Acidity is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is 20% Acidity a major allergen?

Not a major allergen.

What is 20% Acidity used for?

Manufacturers add acetic acid to foods to provide a sour or acidic taste and to act as a preservative.

Is 20% Acidity safe?

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

Why it's used

Manufacturers add acetic acid to foods to provide a sour or acidic taste and to act as a preservative. It is commonly found in condiments like ketchup and mustard, as well as in salad dressings and pickled vegetables.

Health notes

Acetic acid is generally recognized as safe (GRAS) by the FDA when used as a food additive. It is a common component of vinegar and is consumed in moderate amounts in many foods. JECFA has evaluated acetic acid and established an acceptable daily intake. While high concentrations can be irritating, typical dietary intake is not associated with adverse health effects.

Allergen info

Not a major allergen.

Foods that contain 20% Acidity

Compare products →

Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

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.