INS 338
antioxidants, phosphates, and complexing agentsOrthophosphoric Acid
Halal
Is INS 338 (Orthophosphoric Acid) 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 338 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 338 on packaging from:
In the EU and UK, the same additive appears as E338. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E338
INS 338 and E338 refer to the same food additive — Orthophosphoric Acid. If you are checking a product purchased in the UK or Europe, look for E338 on the label instead.
See full E338 halal guide →About INS 338
Miscellaneous - phosphoric acid and its salts
Sources / Derived From
- mineral (phosphate rock)
Foods that commonly contain INS 338
Frequently Asked Questions
Is INS 338 (Orthophosphoric Acid) halal?
INS 338 (Orthophosphoric Acid) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 338 used for?
INS 338 is used as a acidity regulator - gives cola drinks their sharp taste in food products.
What is the difference between INS 338 and E338?
INS 338 and E338 are the same additive — Orthophosphoric Acid. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E338) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 338?
INS 338 (Orthophosphoric Acid) is commonly found in: cola drinks, processed cheese, meat products, energy drinks, sports drinks.
What is INS 338 made from?
INS 338 can be derived from: mineral (phosphate rock).
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