E172Colour

Iron oxides and iron hydroxides

What the research shows

Not enough

published research on this page yet

How we decide

Used in food as a colour.

  • Vegan
  • Vegetarian
  • EU permitted

Regulatory status

Checked Sep 2026

Status reflects the named register on the date checked. It is not a safety rating. A country appears here once we've found this ingredient on its official list.

How we check

Products

The 6 most-scanned of 317 products on Open Food Facts that list iron oxides and iron hydroxides.

  • 6 sausages vegan Linda McCartney · 270 g 4 additives
  • Chocolate M&M m&m's · 45 g 10 additives
  • Smoky Ham Free Slices Quorn · 100 g 3 additives
  • Picnic Eggs Quorn · 140 g 4 additives
  • Picnic Eggs Quorn · 180 g 3 additives
  • A-Z Multivitamins & Minerals Tesco · 90 Tablets 11 additives