Food Additive · EU 526
Calcium Hydroxide
FDA status: Approved. EU: Approved. No U.S. state has enacted a specific ban yet.
According to the U.S. Food and Drug Administration, Calcium 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 #199 of 417.
- #199 of 417 by tracked product prevalence
The verdict
Calcium Hydroxide is FDA-approved, and no U.S. state has moved to restrict it. By Open Food Facts product count it sits #199 of 417 among additives with tracked product presence (52nd percentile).
- 4/5
- Low Risk
- Approved
- FDA status
- #199 of 417
- product-prevalence rank
- 0
- state regulations
Product-footprint and regulatory snapshot
Calcium Hydroxide: 20 tracked U.S. products (moderate band, #199 of 417) frame how often this additive appears on shelves.
| Property | Value | Source |
|---|---|---|
| Tracked Products | 20 · #199 of 417 | Open Food Facts (US) |
| FDA Status | Approved | FDA SAFFA |
| EU Status | Approved | EC 1333/2008 |
| E-Number | 526 | 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 Calcium Hydroxide?
Calcium Hydroxide is a food additive (526) classified as food additive.
Common Uses
Shelf-footprint peer axes
Nationwide peers for a moderate OFF footprint
Nearest OFF product-count peers (20 tracked here); safety-score column omitted on prevalence-led pages.
Frequently Asked Questions
Is Calcium Hydroxide safe to consume?
Calcium Hydroxide scores 4/5 (Low Risk). FDA status is Approved. On the Open Food Facts U.S. sample it is a moderate additive (20 tracked products, #199 of 417), so product footprint, not just the score label, frames how widely a shopper will meet it.
What is Calcium Hydroxide used for in food?
Calcium Hydroxide shows up as Various processed foods in the Food Additive class, and the OFF sample puts it in the moderate footprint band (20 products).
Where does Calcium Hydroxide sit among food additives PlainIngredients tracks?
Among additives with at least one tracked product, it ranks #199 of 417 by Open Food Facts product count. See /methodology#corpus-placement for the ranking bases.