CodeE252 · INS 252
TypePreservative
Made fromMineral / synthetic.
Found insoft drinks, bread, cured meats, dried fruit and sauces
What is E252?
E252 is Potassium nitrate, a preservative. Synthetic.
Also written as: INS 252, E-252, E 252. INS is the international numbering system used outside Europe, including on labels in Asia, Australia and the Middle East.
What to do
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Frequently asked questions
Is E252 halal?
E252 (Potassium nitrate) is halal. Synthetic.
What is E252 made from?
Mineral / synthetic.
What is E252 used for?
E252 is used as a preservative, typically in soft drinks, bread, cured meats, dried fruit and sauces.
What should I do if a product contains E252?
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Related E-numbers
E200Sorbic acidE202Potassium sorbateE210Benzoic acidE211Sodium benzoateE212Potassium benzoateE213Calcium benzoateE251Sodium nitrateE260Acetic acid
Last reviewed 2026-10-06. How we decide · Suggest a correction