Food Safety Substance
Magnesium oxideE530
Magnesium oxide (E530) is a food additive with PUBLISHED in the EU, GRAS in the US, and data from 8 regulatory sources.
Substance Identity
Resolved identifiers used to render this food-safety record.
Multi-Jurisdiction Comparison
Side-by-side status rows for the same resolved substance across public food regulators.
| Jurisdiction | Authority | Status | Evidence |
|---|---|---|---|
| European Union | EU Commission | PUBLISHED | EU additive listing; Annex II entry |
| Canada | Health Canada | Listed | Anticaking agent |
| Codex | Codex Alimentarius | Listed | Acidity regulator; Anticaking agent |
EU Food Additive Status
EU Commission food-additive listing rows from eu_food_additives.
| Jurisdiction | E-number | Status | Type | Name | Note |
|---|---|---|---|---|---|
| European Union | E530 | PUBLISHED | substanceFAD | Magnesium oxide | - |
EU Annex II Authorised Uses
Authorised additive rows and use conditions from EU Annex II tables.
| Jurisdiction | E-number | Name | INS | Policy item | Note |
|---|---|---|---|---|---|
| European Union | E530 | Magnesium oxide | - | POL-FAD-IMPORT-3227 | - |
Conditions and restrictions
| Jurisdiction | Food category | Restriction | Comment | Source |
|---|---|---|---|---|
| European Union | 5.1 Cocoa and chocolate products as covered by Directive 2000/36/EC | ML 70000 mg/kg | E 170, E 500 - 504, E 524 - 528 and E 530: 7 % on dry matter, without fat, expressed as potassium carbonates | EU Annex II Union List |
| European Union | 12.1.1 Salt | quantum satis | - | EU Annex II Union List |
| European Union | 5.1 Cocoa and chocolate products as covered by Directive 2000/36/EC | ML 70000 mg/kg | E 170, E 500 - 504, E 524 - 528 and E 530: 7 % on dry matter, without fat, expressed as potassium carbonates | EU Food Additives Database |
| European Union | 12.1.1 Salt | quantum satis | - | EU Food Additives Database |
Codex GSFA Status
Codex Alimentarius GSFA permissions and maximum-use rows.
| Jurisdiction | INS / E-number | Function | Food category | Max level | Notes |
|---|---|---|---|---|---|
| Codex | 530 | Acidity regulator; Anticaking agent | 01.2.1.2 Fermented milks (plain), heat-treated after fermentation | GMP | Except for use in plain fermented milks and drinks based on fermented milks that are heat treated after fermentation conforming to the Standard for Fermented Milks (CXS 243-2003)... |
| Codex | 530 | Acidity regulator; Anticaking agent | 01.5.1 Milk powder and cream powder (plain) | GMP | Except for use in products conforming to the Standard for Milk Products and Cream Powder (CXS 207-1999): bone phosphate (INS 542), calcium carbonate (INS 170(i)), calcium... |
| Codex | 530 | Acidity regulator; Anticaking agent | 01.8.2 Dried whey and whey products, excluding whey cheeses | 10,000 mg/kg | Excluding products conforming to the Standard for Dairy Permeate Powders (CXS 331-2017). |
| Codex | 530 | Acidity regulator; Anticaking agent | 12.1.1 Salt | GMP | - |
| Codex | 530 | Acidity regulator; Anticaking agent | 12.2.1 Herbs and spices | GMP | Excluding products conforming to the Standard for Dried Floral Parts - Saffron (CXS 351-2022).; For herbs use is limited to herbs that have been ground or processed into powder... |
Health Canada Status
Health Canada food-additive permissions by functional class and food scope.
| Jurisdiction | Class | Permitted foods | Maximum level | List |
|---|---|---|---|---|
| Canada | Anticaking agent | Unstandardized dry mixes, except unstandardized dry mixes used in preparations of meat and meat by-product | Good Manufacturing Practice | List of Permitted Anticaking Agents |
| Canada | Acidity regulator | Ice cream mix; Ice milk mix | Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
EU FCM Substances
EU food-contact material rows and migration-limit fields.
| Jurisdiction | FCM no. | Ref no. | Substance | Use | SML | Regulation |
|---|---|---|---|---|---|---|
| European Union | 397 | 64720 | magnesium oxide | additive/PPA | - | Regulation (EU) No 10/2011, Annex I |
JECFA ADI Values
JECFA ADI records and evaluation years.
| Jurisdiction | Chemical name | JECFA no. | CAS | ADI | ADI upper | Function | Evaluation year |
|---|---|---|---|---|---|---|---|
| JECFA | MAGNESIUM OXIDE | - | 1309-48-4 | NOT LIMITED | - | ANTICAKING_AGENT | 1965 |
Cross-Reference to Cosmetics / Chemicals / Pharma
Same-CAS public rows from adjacent Roots verticals where available.
Cross-Vertical Regulatory Divergence
This substance has different regulatory treatment across food, cosmetics, and industrial use.
Frequently Asked Questions
Food-use, safety, ADI, and cross-vertical answers mirrored into FAQPage JSON-LD.
What is Magnesium oxide used for in food?
Magnesium oxide appears in food-use rows as: Anti-caking; Acidity regulator; Anticaking agent; Anticaking agent.
Is Magnesium oxide / E530 safe?
This page does not assign a standalone safety verdict; it renders public regulatory evidence. ADI/reference value: ADI NOT LIMITED mg/kg bw. EU status evidence: PUBLISHED. US/FDA evidence: GRAS.
What is the ADI for Magnesium oxide?
Magnesium oxide has this ADI/reference value in the food-safety tables: ADI NOT LIMITED mg/kg bw. Source: WHO JECFA.
Is Magnesium oxide also used in cosmetics?
Magnesium oxide has a same-CAS cosmetics cross-reference: Magnesium Oxide, EU status permitted.