INS 170
food colorsCalcium Carbonate (Chalk)
Halal
Is INS 170 (Calcium Carbonate) halal?
Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What to do
Safe to buy. This additive is permissible under Islamic dietary law.
Where is INS 170 used?
INS (International Numbering System) codes are maintained by the Codex Alimentarius Commission and used on food labels in many countries outside the EU. You will commonly see INS 170 on packaging from:
In the EU and UK, the same additive appears as E170. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E170
INS 170 and E170 refer to the same food additive — Calcium Carbonate (Chalk). If you are checking a product purchased in the UK or Europe, look for E170 on the label instead.
See full E170 halal guide →About INS 170
It is a inorganic chemical.
Sources / Derived From
- limestone (mineral)
- chalk (mineral)
- oyster shells (animal - some products)
Foods that commonly contain INS 170
Frequently Asked Questions
Is INS 170 (Calcium Carbonate (Chalk)) halal?
INS 170 (Calcium Carbonate (Chalk)) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 170 used for?
INS 170 is used as a white food coloring, acidity regulator, calcium supplement in food products.
What is the difference between INS 170 and E170?
INS 170 and E170 are the same additive — Calcium Carbonate (Chalk). INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E170) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 170?
INS 170 (Calcium Carbonate (Chalk)) is commonly found in: white confectionery coatings, chewing gum, bread (calcium fortification), antacid tablets.
What is INS 170 made from?
INS 170 can be derived from: limestone (mineral), chalk (mineral), oyster shells (animal - some products).
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