INS 518
salts and related compoundsMagnesium Sulphate
Halal
Is INS 518 (Magnesium Sulphate) halal?
Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What to do
Safe to buy. This additive is permissible under Islamic dietary law.
Where is INS 518 used?
INS (International Numbering System) codes are maintained by the Codex Alimentarius Commission and used on food labels in many countries outside the EU. You will commonly see INS 518 on packaging from:
In the EU and UK, the same additive appears as E518. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E518
INS 518 and E518 refer to the same food additive — Magnesium Sulphate. If you are checking a product purchased in the UK or Europe, look for E518 on the label instead.
See full E518 halal guide →About INS 518
Miscellaneous - acids and salts: sulphuric acid and its salts
Sources / Derived From
- mineral
Foods that commonly contain INS 518
Frequently Asked Questions
Is INS 518 (Magnesium Sulphate) halal?
INS 518 (Magnesium Sulphate) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 518 used for?
INS 518 is used as a firming agent and mineral supplement in food products.
What is the difference between INS 518 and E518?
INS 518 and E518 are the same additive — Magnesium Sulphate. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E518) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 518?
INS 518 (Magnesium Sulphate) is commonly found in: tofu (coagulant), beer brewing, mineral water.
What is INS 518 made from?
INS 518 can be derived from: mineral.
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