E551
Silicon Dioxide/Silica Salt
Halal
Usage: Anticaking Agent
Rock-forming mineral and sand which is composed mainly of quartz or flint
Is Silicon Dioxide / Silica (E551) Halal?
Yes — E551 (Silicon Dioxide / Silica) is listed as halal by MUIS.
Why is E551 halal?
Silicon dioxide is a mineral (silica) used to stop powders from caking. It contains no animal material and MUIS lists it as halal.
About Silicon Dioxide / Silica
Silicon dioxide (silica) is a naturally abundant mineral used as an anti-caking agent and clarifying agent. It is one of the most common ingredients in powdered foods.
Commonly Found In
- powdered drink mixes
- spices and seasonings
- salt
- powdered creamers
- supplements
Source & Origin
MineralAnticaking AgentVeganVegetarian
How to check on the label
- E551 on its own is not a reason to avoid a product.
- The finished product still needs its other ingredients checked — look for a halal certification logo (MUIS, JAKIM, MUI, HMC or similar) when in doubt.
- Halal status here follows the MUIS food additive listing; rulings can differ between certification bodies.
Alternatives
Frequently asked questions
Is Silicon Dioxide / Silica (E551) halal or haram?
E551 (Silicon Dioxide/Silica Salt) is halal for Muslims according to the MUIS food additive listing. Silicon dioxide (silica) is a naturally abundant mineral used as an anti-caking agent and clarifying agent.
What is E551?
Silicon dioxide (silica) is a naturally abundant mineral used as an anti-caking agent and clarifying agent. It is one of the most common ingredients in powdered foods.
Where is E551 commonly found?
E551 is commonly found in powdered drink mixes, spices and seasonings, salt, powdered creamers, and supplements.
Related acidity regulators
Halal status source: MUIS Food Additive Listing ·
Information on this page is for general reference only. Halal-status data is sourced from MUIS. For current regulatory status, allergen warnings, or dietary advice, please consult your local food safety authority or a qualified professional.