INS 538
salts and related compoundsCalcium Ferrocyanide
Halal
Is INS 538 (Calcium Ferrocyanide) 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 538 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 538 on packaging from:
In the EU and UK, the same additive appears as E538. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E538
INS 538 and E538 refer to the same food additive — Calcium Ferrocyanide. If you are checking a product purchased in the UK or Europe, look for E538 on the label instead.
See full E538 halal guide →About INS 538
Chemical
Sources / Derived From
- synthetic
Foods that commonly contain INS 538
Frequently Asked Questions
Is INS 538 (Calcium Ferrocyanide) halal?
INS 538 (Calcium Ferrocyanide) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 538 used for?
INS 538 is used as a anti-caking agent in food products.
What is the difference between INS 538 and E538?
INS 538 and E538 are the same additive — Calcium Ferrocyanide. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E538) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 538?
INS 538 (Calcium Ferrocyanide) is commonly found in: table salt.
What is INS 538 made from?
INS 538 can be derived from: synthetic.
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