Ingredient

Sodium Hydrogen Sulphate

Source
Not animal-derived
Allergen
No
Role in food
This ingredient is used as an acidulant and pH adjuster in foods and beverages. …

What is Sodium Hydrogen Sulphate?

Sodium hydrogen sulfate is an acid salt of sulfuric acid. It is produced industrially by reacting sulfuric acid with sodium chloride or sodium sulfate. It appears as a white crystalline solid.

Is Sodium Hydrogen Sulphate vegan?

Sodium Hydrogen Sulphate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Sodium Hydrogen Sulphate a major allergen?

Not a major allergen.

What is Sodium Hydrogen Sulphate used for?

This ingredient is used as an acidulant and pH adjuster in foods and beverages.

Is Sodium Hydrogen Sulphate safe?

Sodium hydrogen sulfate is Generally Recognized As Safe (GRAS) by the FDA for use in food.

Why it's used

This ingredient is used as an acidulant and pH adjuster in foods and beverages. It can help provide a tart or sour taste and is often found in powdered drink mixes, alcoholic beverages, and club soda.

Health notes

Sodium hydrogen sulfate is Generally Recognized As Safe (GRAS) by the FDA for use in food. It is an acid salt and contributes to the overall sodium content of a food. JECFA has evaluated sodium hydrogen sulfate and established an acceptable daily intake. No significant health concerns are associated with its consumption at typical dietary levels.

Allergen info

Not a major allergen.

Foods that contain Sodium Hydrogen Sulphate

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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.