Sodium hydroxide
Function: Food Additive
E524 is the European food-additive number for Sodium hydroxide. Sodium hydroxide (E524) is a food additive used as a food additive.
Is E524 safe or restricted?
E524 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E524 vegan or vegetarian?
Sodium hydroxide (E524) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E524?
E524 appears in 1,495 of the 4.7 million products in Forkin's catalogue — most often in pretzels, crackers and cream-filled cookies.
- Pretzels388
- Crackers90
- Cream-Filled Cookies40
- Chocolate Candy35
- Milk Chocolate32
- Mousse32
- Pudding / Flan30
- Sandwiches26
Often appears alongside
Additives most frequently found in the same ingredient lists as E524 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E524
- What is E524?
- E524 is the E-number for Sodium hydroxide. Sodium hydroxide (E524) is a food additive used as a food additive.
- Which foods contain E524?
- E524 appears in 1,495 of the 4.7 million products in Forkin's catalogue — most often in pretzels, crackers and cream-filled cookies. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E524 vegan or vegetarian?
- Sodium hydroxide (E524) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E524 safe, and is it banned anywhere?
- E524 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E524 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.