Food Additive · EU 524

Sodium Hydroxide

FDA status: Approved. EU: Approved. No U.S. state has enacted a specific ban yet.

Low Risk
Score 4 of 5
Sodium Hydroxide: 4/5 (Low Risk)

According to the U.S. Food and Drug Administration, Sodium Hydroxide is FDA-approved, and no U.S. state has moved to restrict it independently of federal policy. Its composite safety score is 4 out of 5 (Low Risk), and the European Union separately classifies it as approved. By tracked product count it ranks #154 of 417.

  • #154 of 417 by tracked product prevalence

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The verdict

Sodium Hydroxide is FDA-approved, and no U.S. state has moved to restrict it. By Open Food Facts product count it sits #154 of 417 among additives with tracked product presence (63rd percentile).

4/5
Low Risk
Approved
FDA status
#154 of 417
product-prevalence rank
0
state regulations

Product-footprint and regulatory snapshot

Sodium Hydroxide: 60 tracked U.S. products (moderate band, #154 of 417) frame how often this additive appears on shelves.

Property Value Source
Tracked Products 60 · #154 of 417 Open Food Facts (US)
FDA Status Approved FDA SAFFA
EU Status Approved EC 1333/2008
E-Number 524 EU additive register
CAS Number - CAS Registry
Category Food Additive FDA functional class
Composite Safety Score 4 / 5 (Low Risk) PlainIngredients methodology
EFSA ADI Not established EFSA scientific opinion
U.S. State Actions 0 states State legislative records

Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.

What is Sodium Hydroxide?

Sodium Hydroxide is a food additive (524) classified as food additive.

Common Uses

Various processed foods

Shelf-footprint peer axes

Nationwide peers for a moderate OFF footprint

Nearest OFF product-count peers (60 tracked here); safety-score column omitted on prevalence-led pages.

Nearest OFF product count to 60

Nearest other additives by Open Food Facts product count (floored at ≥50).

8 peers

Frequently Asked Questions

Is Sodium Hydroxide safe to consume?

Sodium Hydroxide scores 4/5 (Low Risk). FDA status is Approved. On the Open Food Facts U.S. sample it is a moderate additive (60 tracked products, #154 of 417), so product footprint, not just the score label, frames how widely a shopper will meet it.