Food additives A–Z › E524
E524 — Sodium hydroxide
هيدروكسيد الصوديوم · INS 524 · Acidity regulator
Codex GSFA Permitted with provisions
CXS 192-1995, revision 2026
Table 1 has provisions for it in 8 food categories, each with its own maximum level. It is in Table 3: permitted under GMP in foods in general, except the categories listed in the Annex to Table 3.
European Union Authorised
Regulation (EC) 1333/2008, Annex II, consolidated text of 18.08.2026
Authorised in the EU: entries in 73 food categories of Annex II Part E. The level and conditions depend on the category.
United States (FDA) Listed
FDA Substances Added to Food and Color Additive Status (substance level)
Listed for direct use in food (21 CFR 172.560, 172.814, 172.892, 184.1763). The conditions of use are in that section.
Substance level only: FDA does not set limits by food category the way Codex and the EU do; conditions of use are in the cited 21 CFR section.
The maximum level depends on the food category. Check this additive for a specific product:
Check E524 by food categoryIn Jordan the Jordanian technical regulations and JFDA decide. Codex, the EU and the US are references for comparison and export, not a substitute for the local decision. FoodCheck Jordan is an independent scientific reference, not affiliated with the Jordan Food and Drug Administration or any regulator.
Sources: Codex CXS 192-1995, General Standard for Food Additives, revision 2026 · Regulation (EC) No 1333/2008, Annex II, consolidated text 02008R1333-20260818 (EUR-Lex PDF) · FDA Substances Added to Food (last updated 9/8/2026) and Color Additive Status List (last updated 8/14/2026), downloaded 2026-10-21. Data built: 2026-10-21.