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.

CAS 1309-37-1 Indexable evidence set
FDA
Approved (restricted: sausage casings; capsules)
ADI / TDI
ADI 0.5 mg/kg bw
Codex
0 row(s)
SOURCE D1 identity resolution e number aliases | Food Additives | dsstox identifiers | 5 matched regulatory source group(s)

Substance Identity

Resolved identifiers used to render this food-safety record.

Substance name
Iron(III) oxide
CAS
1309-37-1
PubChem CID
518696
Evidence tier
Indexable evidence set (7)
SOURCE WHO/JECFA

JECFA ADI Values

JECFA ADI records and evaluation years.

JurisdictionChemical nameJECFA no.CASADIADI upperFunctionEvaluation year
JECFAIRON OXIDE RED-1309-37-10-0.5 mg/kg bw0.5COLOUR1979
SOURCE Ingredient record GHS classifications

Cross-Reference to Cosmetics / Chemicals / Pharma

Same-CAS public rows from adjacent Roots verticals where available.

CosmeticsIron Oxides (CI 77491, CI 77492, CI 77499)EU status: permitted Industrial / GHSDangerNITE-CMC
SOURCE FAQPage JSON-LD public food renderer rows

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.