CodeE466 · INS 466
TypeThickener
Made fromPlant fibre.
Found indesserts, sauces, dairy products, ice cream and soups
What is E466?
E466 is Carboxymethyl cellulose, a thickener. Plant-derived.
Also written as: INS 466, E-466, E 466. 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 E466 halal?
E466 (Carboxymethyl cellulose) is halal. Plant-derived.
What is E466 made from?
Plant fibre.
What is E466 used for?
E466 is used as a thickener, typically in desserts, sauces, dairy products, ice cream and soups.
What should I do if a product contains E466?
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
E400Alginic acidE401Sodium alginateE402Potassium alginateE404Calcium alginateE405Propylene glycol alginateE407CarrageenanE464Hydroxypropyl methyl celluloseE470aSodium, potassium and calcium salts of fatty acids
Last reviewed 2026-10-06. How we decide · Suggest a correction