{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/calcium-carbonate",
  "slug": "calcium-carbonate",
  "name": "Calcium carbonate",
  "identifiers": {
    "e_number": "E170",
    "ins_number": "170(i)",
    "cas_number": "471-34-1",
    "inchikey": "VTYYLEPIZMXCLO-UHFFFAOYSA-L",
    "pubchem_cid": 10112
  },
  "functional_class": "Colour",
  "summary": "Calcium carbonate is chalk, used in food as a white colour, an anticaking agent, an acidity regulator and a calcium fortificant. It is one of the additives that does several jobs at once, which is why Codex assigns it a long list of functional classes.",
  "derivation_summary": "Obtained by grinding and purifying limestone or marble, or precipitated from a calcium salt solution. It is a mineral product; no animal or plant material is involved.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "permitted",
      "status_label": "Permitted",
      "provision_count": 2,
      "provisions": [
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 184.1191",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1191"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        },
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 73.70",
            "url": "https://www.ecfr.gov/current/title-21/section-73.70"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        }
      ]
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "status": "permitted_with_conditions",
      "status_label": "Permitted, with conditions",
      "provision_count": 23,
      "provisions": [
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "1999",
          "citation": {
            "ref": "CXS 192-1995 Table Three, INS 170(i)",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.2.1.1",
            "name": "Fermented milks (plain), not heat-treated after fermentation"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 234, 235 & 634",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.2.1.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.2.1.2",
            "name": "Fermented milks (plain), heat-treated after fermentation"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 625",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.2.1.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.2.2",
            "name": "Renneted milk (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.2.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.4.1",
            "name": "Pasteurized cream (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: XS288",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.4.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.4.2",
            "name": "Sterilized and UHT creams, whipping and whipped creams, and reduced fat creams (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.4.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.5.1",
            "name": "Milk powder and cream powder (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 544, 549 & 550",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.5.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.8.2",
            "name": "Dried whey and whey products, excluding whey cheeses"
          },
          "max_level": 10000,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: XS331",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 01.8.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "04.2.2.7",
            "name": "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,"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: XS294",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 04.2.2.7",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "06.4.1",
            "name": "Fresh pastas and noodles and like products"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 06.4.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "06.4.2",
            "name": "Dried pastas and noodles and like products"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 256",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 06.4.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "08.1.1",
            "name": "Fresh meat, poultry and game, whole pieces or cuts"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 4, 16 & 326",
          "effective_from": "2015",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 08.1.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "08.1.2",
            "name": "Fresh meat, poultry and game, comminuted"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 4, 16 & 281",
          "effective_from": "2014",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 08.1.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "09.2.1",
            "name": "Frozen fish, fish fillets, and fish products, including molluscs, crustaceans, and echinoderms"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 95, XS36, XS92, XS95, XS165, XS190, XS191, XS292, XS312 & XS315",
          "effective_from": "2017",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 09.2.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "09.2.2",
            "name": "Frozen battered fish, fish fillets and fish products, including molluscs, crustaceans, and echinoderms"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 16 & XS166",
          "effective_from": "2017",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 09.2.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "09.2.3",
            "name": "Frozen minced and creamed fish products, including molluscs, crustaceans, and echinoderms"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 16",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 09.2.3",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "09.2.4",
            "name": "Cooked and/or fried fish and fish products, including molluscs, crustaceans, and echinoderms"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 09.2.4",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "09.2.5",
            "name": "Smoked, dried, fermented, and/or salted fish and fish products, including molluscs, crustaceans, and echinoderms"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: XS167, XS189, XS222, XS236, XS244 & XS311",
          "effective_from": "2018",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 09.2.5",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "12.1.1",
            "name": "Salt"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2006",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 12.1.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "12.1.2",
            "name": "Salt substitutes"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 12.1.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "12.2.1",
            "name": "Herbs and spices"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 534, XS326 & XS351",
          "effective_from": "2025",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 12.2.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "13.2",
            "name": "Complementary foods for infants and young children"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 13.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "14.1.5",
            "name": "Coffee, coffee substitutes, tea, herbal infusions, and other hot cereal and grain beverages, excluding cocoa"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 160",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 170(i), food category 14.1.5",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        }
      ]
    }
  ],
  "names": [
    {
      "name": "1317-65-3",
      "type": "cas",
      "source": "openfoodtox"
    },
    {
      "name": "471-34-1",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "Aeromatt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Akadama",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Albacar",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Albafil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Albaglos",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Albaglos SF",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Allied whiting",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aragonite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Atomite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcene CO",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcene NC",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcicoll",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcite",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Calcium carbonate",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Calcium carbonate (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calmos",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calmote",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calofort S",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calofort T",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calofort U",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calopake F",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calopake FS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calopake H",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calopake PC",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calseeds",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caltec",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caltrate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calwhite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Camel-carb",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Camel-tex",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Camel-wite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbium",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbonic acid calcium salt (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carusis P",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chalk",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Chemcarb",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CI Pigment White 18",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Clefnon",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dacote",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Duramite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 170",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Gilder's whiting",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hakuenka CC",
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  "citation_policy": "Cite as: Food Additive Index, \"Calcium carbonate\", https://foodadditiveindex.com/additives/calcium-carbonate. This site reports regulatory status and does not rate additives.",
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}