CodeE170 · INS 170
TypeColour
Made fromMineral (chalk, limestone).
Found insweets, soft drinks, desserts, sauces and snacks
What is E170?
E170 is Calcium carbonate, a colour. Mineral.
Also written as: INS 170, E-170, E 170. 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 E170 halal?
E170 (Calcium carbonate) is halal. Mineral.
What is E170 made from?
Mineral (chalk, limestone).
What is E170 used for?
E170 is used as a colour, typically in sweets, soft drinks, desserts, sauces and snacks.
What should I do if a product contains E170?
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
E100CurcuminE101Riboflavin (vitamin B2)E101aRiboflavin-5'-phosphateE102TartrazineE104Quinoline yellowE110Sunset yellow FCFE163AnthocyaninsE171Titanium dioxide
Last reviewed 2026-10-06. How we decide · Suggest a correction