INS 221
preservativesSodium Sulphite
Halal
Is INS 221 (Sodium Sulphite) 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 221 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 221 on packaging from:
In the EU and UK, the same additive appears as E221. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E221
INS 221 and E221 refer to the same food additive — Sodium Sulphite. If you are checking a product purchased in the UK or Europe, look for E221 on the label instead.
See full E221 halal guide →About INS 221
Chemical preservative
Sources / Derived From
- synthetic
Foods that commonly contain INS 221
Frequently Asked Questions
Is INS 221 (Sodium Sulphite) halal?
INS 221 (Sodium Sulphite) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 221 used for?
INS 221 is used as a preservative - releases sulphur dioxide in acidic conditions in food products.
What is the difference between INS 221 and E221?
INS 221 and E221 are the same additive — Sodium Sulphite. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E221) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 221?
INS 221 (Sodium Sulphite) is commonly found in: dried fruit, wine, fruit juices, some meat products.
What is INS 221 made from?
INS 221 can be derived from: synthetic.
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