Additive

E524 — Sodium hydroxide

E524 (Sodium hydroxide) appears in the ingredient lists of 23 products sold in Ireland.

23products with a complete record
12%rated A or B on Nutri-Score
4.8 gsugars per 100 g (median)
0.74 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 6%B 6%C 12%D 18%E 59%

17 rated products

Median values

Per 100 g, across all 23 products
Energy392 kcal
Sugars4.8 g
Saturates3.0 g
Salt0.74 g

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)