Yes - Halal

E170

food colors

Calcium Carbonate (Chalk)

Also known as: ChalkLimestoneCalcium Carbonate

Status

Halal

Function

White food coloring, acidity regulator, calcium supplement

Halal

Is E170 (Calcium Carbonate) halal?

Generally accepted as halal. This additive is typically derived from plant or synthetic sources and does not contain any prohibited ingredients according to Islamic dietary laws.

What to do

Safe to buy. This additive is permissible under Islamic dietary law.

See which foods use it →

About E170

It is a inorganic chemical. Generally accepted as halal. This additive is typically derived from plant or synthetic sources and does not contain any prohibited ingredients according to Islamic dietary laws.

What is E170 made from?

limestone (mineral)
chalk (mineral)
oyster shells (animal - some products)

Scholarly Notes

Inorganic mineral - halal. Oyster shell calcium carbonate is also halal (shellfish are permitted). No concerns.

Foods that commonly contain E170

Food Category Guide

E170 is common in chewing gum — see the full halal guide →

white confectionery coatings chewing gum bread (calcium fortification) antacid tablets

Always check the ingredient label on the specific product - manufacturers may change formulations.

Frequently Asked Questions

Is E170 (Calcium Carbonate (Chalk)) halal?

E170 (Calcium Carbonate (Chalk)) is classified as Halal. Generally accepted as halal. This additive is typically derived from plant or synthetic sources and does not contain any prohibited ingredients according to Islamic dietary laws.

What is E170 used for?

E170 is used as a white food coloring, acidity regulator, calcium supplement in food products.

What foods contain E170?

E170 (Calcium Carbonate (Chalk)) is commonly found in: white confectionery coatings, chewing gum, bread (calcium fortification), antacid tablets.

What is E170 made from?

E170 can be derived from the following sources: limestone (mineral), chalk (mineral), oyster shells (animal - some products).

What are the other names for E170?

E170 may appear on food labels as: Chalk, Limestone, Calcium Carbonate.

food colors — 51 E-codes: 20 Halal, 2 Haram, 29 Mushbooh

Related E-Codes in food colors

E100

Curcumin/Turmeric

E101

Riboflavin (Vitamin B2)

Sunset Yellow FCF / Orange Yellow S

E120

Cochineal / Carminic Acid

E122

Carmoisine / Azorubine

E123

Amaranth

E124

Ponceau 4R / Cochineal Red A

Indigo Carmine / Idigotine

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Disclaimer: This information is provided for educational purposes only. For religious rulings, consult a qualified Islamic scholar or halal certification authority. E-code classifications may vary based on source, manufacturing process, and school of thought.

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