E551 Silicon dioxide: Halal or Haram?
Halal
Finely ground silica, essentially purified sand. E551 (Silicon dioxide) is Halal. On German labels: Siliciumdioxid.
Why it is Halal
A mineral, with no animal-derived form in food use.
Where you meet it
Powdered drinks, spices, supplements, table salt.
What to do in the shop
Nothing special to do for E551 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, and 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 E551 Halal?
Yes. E551 (Silicon dioxide) is Halal: it raises no animal-source question. The rest of the ingredient list still decides the product.
What is E551 made from?
A mineral, with no animal-derived form in food use.
Related additives
- E575 Glucono-delta-lactone · Halal
- E524 Sodium hydroxide · Halal
- E509 Calcium chloride · Halal
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 These statuses combine published scholarly positions with ingredient analysis, and they can be incomplete or out of date.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.