E172 — Iron oxides and hydroxides
No concern
E172 (Iron oxides and hydroxides) raises no animal-source question. Mineral pigments in yellow, red, brown and black.
Why it raises no question
They are iron compounds, dug or precipitated, never rendered from anything living.
Where you meet it
Cake decoration, sweets, coated tablets.
What to do in the shop
Nothing special to do for E172 itself. Read the rest of the list: a product is only as clear as its least clear ingredient.
A status here describes the additive in general — a specific product can be different. The same number can be made from plant or animal material depending on the manufacturer, and the label does not say which.
Questions people ask
Is E172 halal?
E172 (Iron oxides and hydroxides) raises no animal-source question, so on its own it is not a problem. The rest of the ingredient list still decides the product.
What is E172 made from?
They are iron compounds, dug or precipitated, never rendered from anything living.
Related additives
- E171 — Titanium dioxide · No concern
- E170 — Calcium carbonate · No concern
- E163 — Anthocyanins · No concern
Check a product, not just a number
An additive's status describes the additive in general. What matters is the whole ingredient list on the packet in your hand.
This is information, not a fatwa. These statuses combine published scholarly positions with ingredient analysis, and they can be incomplete or out of date. For anything that matters, confirm with the manufacturer and with a qualified authority.