E524 — Sodium hydroxide
E524 (Sodium hydroxide) appears in the ingredient lists of 281 products sold in the United States.
Nutri-Score
239 rated products
Median values
| Calories | 395 kcal |
| Sugars | 6.0 g |
| Saturated fat | 4.1 g |
| Salt | 0.35 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 172.560, 172.814, 172.892, 173.310, 184.1763.
Technical effects listed by the FDA: color or coloring adjunct, dough strengthener, flavor enhancer, flavoring agent or adjuvant, flour treating agent, fumigant, oxidizing or reducing agent, ph control agent, processing aid, washing or surface removal agent
The inventory is a partial list, and a listing is not an FDA approval of every use; the regulations set the permitted uses.
U.S. Food and Drug Administration, Substances Added to Food (updated 9/8/2026), public domain · CAS 1310-73-2 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
Products
281 products, most viewed first · page 1 of 6.
Source: Open Food Facts export of 23 October 2026, ODbL, and USDA FoodData Central, April 2026 release, CC0 · Shelfpedia calculations (medians, distributions).