INS 231
preservatives2-Hydroxybiphenyl
Halal
Is INS 231 (2-Hydroxybiphenyl) 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 231 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 231 on packaging from:
In the EU and UK, the same additive appears as E231. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E231
INS 231 and E231 refer to the same food additive — 2-Hydroxybiphenyl. If you are checking a product purchased in the UK or Europe, look for E231 on the label instead.
See full E231 halal guide →About INS 231
It is organic compound and used as a preservative in foods.. Halal, if no alcohol is used as a solvent
Sources / Derived From
- synthetic
Foods that commonly contain INS 231
Frequently Asked Questions
Is INS 231 (2-Hydroxybiphenyl) halal?
INS 231 (2-Hydroxybiphenyl) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 231 used for?
INS 231 is used as a preservative - antifungal surface treatment in food products.
What is the difference between INS 231 and E231?
INS 231 and E231 are the same additive — 2-Hydroxybiphenyl. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E231) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 231?
INS 231 (2-Hydroxybiphenyl) is commonly found in: surface treatment of citrus fruits.
What is INS 231 made from?
INS 231 can be derived from: synthetic.
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