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Is E340 halal or haram?

Potassium phosphates · Acidity regulator

HalalLast reviewed: April 2026

E340 (Potassium phosphates) is generally classified as halal. Mineral / synthetic phosphate salts.

What is E340?

E340, listed on labels as Potassium phosphates, is an acidity regulator that controls the pH (sourness) of a product. You'll most often find it in packaged and processed foods.

Is E340 halal? The verdict

Good news — you can treat E340 as halal. Mineral / synthetic phosphate salts. The additive itself needs no special certification. Keep in mind the finished product can still contain other ingredients that aren't halal, so always read the full list.

How to check E340 on a label

If you see E340 (or "Potassium phosphates") in an ingredient list, no further checking is needed for this additive — focus your attention on meat, animal fats, gelatin and flavourings instead.

Other names & label terms to scan for

  • Potassium phosphates
  • Potassium phosphate
  • INS 340
  • E340

Bottom line

E340 is halal. Safe to consume as far as this additive is concerned.

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