INS 516
salts and related compoundsCalcium Sulphate
Halal
Is INS 516 (Calcium 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 516 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 516 on packaging from:
In the EU and UK, the same additive appears as E516. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E516
INS 516 and E516 refer to the same food additive — Calcium Sulphate. If you are checking a product purchased in the UK or Europe, look for E516 on the label instead.
See full E516 halal guide →About INS 516
Miscellaneous - acids and salts: sulphuric acid and its salts
Sources / Derived From
- mineral (gypsum)
Foods that commonly contain INS 516
Frequently Asked Questions
Is INS 516 (Calcium Sulphate) halal?
INS 516 (Calcium Sulphate) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 516 used for?
INS 516 is used as a firming agent, flour treatment agent and calcium supplement in food products.
What is the difference between INS 516 and E516?
INS 516 and E516 are the same additive — Calcium Sulphate. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E516) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 516?
INS 516 (Calcium Sulphate) is commonly found in: tofu (coagulant), bread flour treatment, beer brewing, canned vegetables.
What is INS 516 made from?
INS 516 can be derived from: mineral (gypsum).
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