CodeE355 · INS 355
TypeAcidity regulator
Made fromSynthetic.
Found insoft drinks, sweets, jams, sauces and processed foods
What is E355?
E355 is Adipic acid, an acidity regulator. Synthetic.
Also written as: INS 355, E-355, E 355. 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 E355 halal?
E355 (Adipic acid) is halal. Synthetic.
What is E355 made from?
Synthetic.
What is E355 used for?
E355 is used as an acidity regulator, typically in soft drinks, sweets, jams, sauces and processed foods.
What should I do if a product contains E355?
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
E260Acetic acidE261Potassium acetateE262Sodium acetatesE263Calcium acetateE270Lactic acidE296Malic acidE354Calcium tartrateE363Succinic acid
Last reviewed 2026-10-06. How we decide · Suggest a correction