Food Safety Substance
Calcium carbonateE170
Calcium carbonate (E170) is a food additive with PUBLISHED in the EU, GRAS in the US, and data from 8 regulatory sources.
Substance Identity
Resolved identifiers used to render this food-safety record.
Multi-Jurisdiction Comparison
Side-by-side status rows for the same resolved substance across public food regulators.
| Jurisdiction | Authority | Status | Evidence |
|---|---|---|---|
| European Union | EU Commission | PUBLISHED | EU additive listing; Annex II entry |
| Canada | Health Canada | Listed | Stabilizing agent |
| Codex | Codex Alimentarius | Listed | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer |
EU Food Additive Status
EU Commission food-additive listing rows from eu_food_additives.
| Jurisdiction | E-number | Status | Type | Name | Note |
|---|---|---|---|---|---|
| European Union | E170 | PUBLISHED | substanceFAD | Calcium carbonate | - |
EU Annex II Authorised Uses
Authorised additive rows and use conditions from EU Annex II tables.
| Jurisdiction | E-number | Name | INS | Policy item | Note |
|---|---|---|---|---|---|
| European Union | E170 | Calcium carbonate | - | POL-FAD-IMPORT-3019 | - |
Conditions and restrictions
| Jurisdiction | Food category | Restriction | Comment | Source |
|---|---|---|---|---|
| European Union | 5.1 Cocoa and chocolate products as covered by Directive 2000/36/EC | ML 70000 mg/kg | E 170, E 500 - 504, E 524 - 528 and E 530: 7 % on dry matter, without fat, expressed as potassium carbonates | EU Annex II Union List |
| European Union | 9.2 Processed fish and fishery products including molluscs and crustaceans | quantum satis | only fish paste and crustacean paste | EU Annex II Union List |
| European Union | 12.1.1 Salt | quantum satis | - | EU Annex II Union List |
| European Union | 13.1.3 Processed cereal-based foods and baby foods as defined by Regulation (EU) No 609/2013 | quantum satis | only processed cereal based foods and baby foods, only for pH adjustment | EU Annex II Union List |
| European Union | 14.1.2 Fruit juices as defined by Directive 2001/112/EC and vegetable juices | quantum satis | only grape juice | EU Annex II Union List |
| European Union | - | quantum satis | - | EU Annex II Union List |
| European Union | 1.7.2 ripened cheese | quantum satis | - | EU Food Additives Database |
| European Union | 12.1.1 Salt | quantum satis | - | EU Food Additives Database |
| European Union | - | quantum satis | - | EU Food Additives Database |
| European Union | 1.7.6 cheese products (excluding products falling in category 16) | quantum satis | only ripened products | EU Food Additives Database |
| European Union | 5.1 Cocoa and chocolate products as covered by Directive 2000/36/EC | ML 70000 mg/kg | E 170, E 500 - 504, E 524 - 528 and E 530: 7 % on dry matter, without fat, expressed as potassium carbonates | EU Food Additives Database |
| European Union | 9.2 Processed fish and fishery products including molluscs and crustaceans | quantum satis | only fish paste and crustacean paste | EU Food Additives Database |
| European Union | 13.1.3 Processed cereal-based foods and baby foods as defined by Regulation (EU) No 609/2013 | quantum satis | only processed cereal based foods and baby foods, only for pH adjustment | EU Food Additives Database |
| European Union | 14.1.2 Fruit juices as defined by Directive 2001/112/EC and vegetable juices | quantum satis | only grape juice | EU Food Additives Database |
| European Union | 1.9 Edible caseinates | quantum satis | - | EU Food Additives Database |
Codex GSFA Status
Codex Alimentarius GSFA permissions and maximum-use rows.
| Jurisdiction | INS / E-number | Function | Food category | Max level | Notes |
|---|---|---|---|---|---|
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.2.1.1 Fermented milks (plain), not heat-treated after fermentation | GMP | For use as a stabilizer or thickener only.; For use in products conforming to the Standard for Fermented Milks (CXS243-2003) only.; For use in reconstituted and recombined... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.2.1.2 Fermented milks (plain), heat-treated after fermentation | GMP | Except for use in plain products conforming to the Standard for Fermented Milks (CXS243-2003) as a stabilizer or thickener. |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.2.2 Renneted milk (plain) | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.4.1 Pasteurized cream (plain) | GMP | Excluding products conforming to the Standard for Cream and Prepared Creams (CXS 288-1976) |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.4.2 Sterilized and UHT creams, whipping and whipped creams, and reduced fat creams (plain) | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.5.1 Milk powder and cream powder (plain) | GMP | Except for use in products conforming to the Standard for Milk Products and Cream Powder (CXS 207-1999): bone phosphate (INS 542), calcium carbonate (INS 170(i)), calcium... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 01.8.2 Dried whey and whey products, excluding whey cheeses | 10,000 mg/kg | Excluding products conforming to the Standard for Dairy Permeate Powders (CXS 331-2017). |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 04.2.2.7 Fermented vegetable (including mushrooms and fungi, roots and tubers, pulses and legumes, and aloe vera) and seaweed products, excluding fermented soybean products of food categories 06.8.6, 06.8.7, 12.9.1, 12.9.2.1 and 12.9.2.3 | GMP | Excluding products conforming to the Standard for Gochujang (CXS 294-2009). |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 06.4.1 Fresh pastas and noodles and like products | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 06.4.2 Dried pastas and noodles and like products | GMP | For use in noodles, gluten-free pasta and pasta intended for hypoproteic diets only. |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 08.1.1 Fresh meat, poultry, and game, whole pieces or cuts | GMP | For use in fresh meat, poultry and game products only.; For use in decoration, stamping, marking or branding the product only.; For use in glaze, coatings or decorations for... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 08.1.2 Fresh meat, poultry, and game, comminuted | GMP | For use in fresh minced meat which contains other ingredients apart from comminuted meat only.; For use in decoration, stamping, marking or branding the product only.; For use in... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 09.2.1 Frozen fish, fish fillets, and fish products, including mollusks, crustaceans, and echinoderms | GMP | Excluding products conforming to the Standard for Quick Frozen Shrimps and Prawns (CODEX STAN 92-1981).; Excluding products conforming to the Standard for Live Abalone and for Raw... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 09.2.2 Frozen battered fish, fish fillets, and fish products, including mollusks, crustaceans, and echinoderms | GMP | Excluding products conforming to the Standard for Quick Frozen Fish Sticks (Fish Fingers), Fish Portions and Fish Fillets – Breaded or in Batter (CODEX STAN 166-1989).; For use in... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 09.2.3 Frozen minced and creamed fish products, including mollusks, crustaceans, and echinoderms | GMP | For use in glaze, coatings or decorations for fruit, vegetables, meat or fish only. |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 09.2.4 Cooked and/or fried fish and fish products, including mollusks, crustaceans, and echinoderms | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 09.2.5 Smoked, dried, fermented, and/or salted fish and fish products, including mollusks, crustaceans, and echinoderms | GMP | Excluding products conforming to the Standard for Crackers from Marine and Freshwater Fish, Crustaceans and Molluscan Shellfish (CODEX STAN 222-2001).; Excluding products... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 12.1.1 Salt | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 12.1.2 Salt Substitutes | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 12.2.1 Herbs and spices | GMP | Excluding products conforming to the Standard for Dried Floral Parts - Saffron (CXS 351-2022).; For herbs use is limited to herbs that have been ground or processed into powder... |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 13.2 Complementary foods for infants and young children | GMP | - |
| Codex | 170(i) | Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer | 14.1.5 Coffee, coffee substitutes, tea, herbal infusions, and other hot cereal and grain beverages, excluding cocoa | GMP | For use in ready-to-drink products and pre-mixes for ready-to-drink products only. |
Health Canada Status
Health Canada food-additive permissions by functional class and food scope.
| Jurisdiction | Class | Permitted foods | Maximum level | List |
|---|---|---|---|---|
| Canada | Stabilizing agent | (a)Blend of prepared fish and prepared meat as set out in paragraph 18.1.3(g) of Volume 18 of the Food Compositional Standards Document | (a)Good Manufacturing Practice | List of Permitted Emulsifying, Gelling, Stabilizing or Thickening Agents |
| Canada | Emulsifying, stabilizing or thickening agent | (b)Unstandardized foods | (b)Good Manufacturing Practice | List of Permitted Emulsifying, Gelling, Stabilizing or Thickening Agents |
| Canada | Filler | - | (a) Good Manufacturing Practice | List of Permitted Food Additives with Other Purposes of Use |
| Canada | Creaming and fixing agent | - | (b) Good Manufacturing Practice | List of Permitted Food Additives with Other Purposes of Use |
| Canada | Carrier and dusting agent | - | (c) Good Manufacturing Practice | List of Permitted Food Additives with Other Purposes of Use |
| Canada | Carrier of benzoyl peroxide | - | (d) If used singly, the amount not to exceed 900 ppm. If used in any combination with other carriers of benzoyl peroxide, set out in this list or in sections 12.1.1 and 12.1.3 of Volume 12 of the Food Compositional Standards Document, the total combined amount not to exceed 900 ppm. | List of Permitted Food Additives with Other Purposes of Use |
| Canada | Acidity regulator | (a) Cocoa products as defined in Volume 4 of the Food Compositional Standards Document | (a) Good Manufacturing Practice. If used singly, the amount of calcium carbonate in neutralizing value, calculated from its weight, not to exceed the neutralizing value of 5% anhydrous potassium carbonate by weight of the cocoa product, calculated on a fat-free basis. If used in any combination with other acidity regulators, the total combined amount of these acidity regulators in neutralizing value, calculated from their respective weight, not to exceed the neutralizing value of 5% anhydrous potassium carbonate by weight of the cocoa product, calculated on a fat-free basis. This total combined amount does not include any of citric acid, phosphoric acid or tartaric acid that may be added up to their respective maximum levels of use set out in this list. | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (b) Cold-pack (naming the variety) cheese; Cold-pack cheese food; Cold-pack cheese food with (naming the added ingredients); Cold-pack (naming the variety) cheese with (naming the added ingredients); Cream cheese... | (b) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (c) Fruit wine; Wine | (c) Good Manufacturing Practice. The content of tartaric acid in the finished wine not to be less than 1,500 ppm weight by volume. | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (d) Grape juice | (d) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (e) Ice cream mix; Ice milk mix | (e) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (f) Infant cereal products | (f) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Acidity regulator | (g) Unstandardized foods | (g) Good Manufacturing Practice | List of Permitted Acidity Regulators and Acid-Reacting Materials |
| Canada | Yeast food | (a) Bread | (a) If used singly, the amount not to exceed 2,500 ppm of the flour. If used in any combination with other yeast foods, the total combined amount not to exceed 2,500 ppm of the flour. This total combined amount does not include calcium phosphate, monobasic and calcium sulphate that may be added up to their respective maximum levels of use set out in this list. | List of Permitted Yeast Foods |
| Canada | Food Colours | Unstandardized confectionery | Good Manufacturing Practice | List of Permitted Food Colours |
JECFA ADI Values
JECFA ADI records and evaluation years.
| Jurisdiction | Chemical name | JECFA no. | CAS | ADI | ADI upper | Function | Evaluation year |
|---|---|---|---|---|---|---|---|
| JECFA | CALCIUM CARBONATE | - | 471-34-1 | NOT LIMITED | - | ANTICAKING_AGENT | 1965 |
Cross-Reference to Cosmetics / Chemicals / Pharma
Same-CAS public rows from adjacent Roots verticals where available.
Cross-Vertical Regulatory Divergence
This substance has different regulatory treatment across food, cosmetics, and industrial use.
Frequently Asked Questions
Food-use, safety, ADI, and cross-vertical answers mirrored into FAQPage JSON-LD.
What is Calcium carbonate used for in food?
Calcium carbonate appears in food-use rows as: Acidity regulator/Antioxidant; Acidity regulator; Anticaking agent; Colour; Firming agent; Flour treatment agent; Stabilizer; Stabilizing agent.
Is Calcium carbonate / E170 safe?
This page does not assign a standalone safety verdict; it renders public regulatory evidence. ADI/reference value: ADI NOT LIMITED . EU status evidence: PUBLISHED. US/FDA evidence: GRAS.
What is the ADI for Calcium carbonate?
Calcium carbonate has this ADI/reference value in the food-safety tables: ADI NOT LIMITED . Source: food_substances.
Is Calcium carbonate also used in cosmetics?
Calcium carbonate has a same-CAS cosmetics cross-reference: Calcium Carbonate — Structured Cosmetic Ingre, EU status permitted.