Food Safety Substance
Iron(III) oxide
Iron(III) oxide is a food additive with See E172 in the EU, Approved (restricted: sausage casings; capsules) in the US, and data from 5 regulatory sources.
Substance Identity
Resolved identifiers used to render this food-safety record.
JECFA ADI Values
JECFA ADI records and evaluation years.
| Jurisdiction | Chemical name | JECFA no. | CAS | ADI | ADI upper | Function | Evaluation year |
|---|---|---|---|---|---|---|---|
| JECFA | IRON OXIDE RED | - | 1309-37-1 | 0-0.5 mg/kg bw | 0.5 | COLOUR | 1979 |
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 Iron(III) oxide used for in food?
Iron(III) oxide appears in food-use rows as: Food colorant.
Is Iron(III) oxide safe?
This page does not assign a standalone safety verdict; it renders public regulatory evidence. ADI/reference value: ADI 0.5 mg/kg bw. EU status evidence: See E172. US/FDA evidence: Approved (restricted: sausage casings; capsules).
What is the ADI for Iron(III) oxide?
Iron(III) oxide has this ADI/reference value in the food-safety tables: ADI 0.5 mg/kg bw. Source: food_additives.
Is Iron(III) oxide also used in cosmetics?
Iron(III) oxide has a same-CAS cosmetics cross-reference: Iron Oxides (CI 77491, CI 77492, CI 77499), EU status permitted.