Iron oxide, yellow
Iron oxide, yellow · 172(iii)INS 172(iii)
Used as a colour.
Yellow iron oxide is a mineral pigment used in confectionery coatings and decorations, stable to heat, light and acidity.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited. | ||
| Codex Alimentarius | Permitted, with conditions | 32 food categories highest permitted level 7,500 mg/kg Show every food category
| CXS 192-1995 Table One, INS 172(iii)and 31 further provisionsretrieved 2026-09-07 |
What it is made from
Produced synthetically as the hydrated oxide by precipitating iron salts under controlled conditions.
- Vegan
- Vegetarian
Every name it appears under
2 recorded names. A label may use any of them.
INS number
- 172(iii)
Other names
- Iron oxide, yellow
Hazard reference values
No reference value for this substance in the sources we hold.
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.
Sources for this page
- gsfa retrieved 2026-09-07
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
Machine-readable:/api/v1/additives/iron-oxide-yellow.json