{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/sodium-carbonate",
  "slug": "sodium-carbonate",
  "name": "Sodium carbonate",
  "identifiers": {
    "e_number": "E500",
    "ins_number": "500(i)",
    "cas_number": "497-19-8",
    "inchikey": "CDBYLPFSWZWCQE-UHFFFAOYSA-L",
    "pubchem_cid": 10340
  },
  "functional_class": "Acidity regulator",
  "summary": "Sodium carbonate, or soda ash, is a strongly alkaline acidity regulator used in noodles, cocoa processing and as a processing aid. It is what gives ramen noodles their springy texture.",
  "derivation_summary": "Manufactured by the Solvay process or mined as trona and refined.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "permitted",
      "status_label": "Permitted",
      "provision_count": 1,
      "provisions": [
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 184.1742",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1742"
          },
          "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": 21,
      "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 500(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": "01.2.1.2",
            "name": "Fermented milks (plain), heat-treated after fermentation"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 631",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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": "01.4.1",
            "name": "Pasteurized cream (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 12",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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 500(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": "01.8.2",
            "name": "Dried whey and whey products, excluding whey cheeses"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: XS331",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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": "02.2.1",
            "name": "Butter"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2008",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(i), food category 02.2.1",
            "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": "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 500(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": "06.2.2",
            "name": "Starches"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2014",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(i), food category 06.2.2",
            "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": "06.4.1",
            "name": "Fresh pastas and noodles and like products"
          },
          "max_level": 10000,
          "max_level_unit": "mg/kg",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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 500(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": "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: 41",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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": "2015",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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": "2015",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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 500(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": "12.1.2",
            "name": "Salt substitutes"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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 500(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": "13.1.1",
            "name": "Infant formulae"
          },
          "max_level": 2000,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 55 & 551",
          "effective_from": "2026",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(i), food category 13.1.1",
            "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": "13.1.2",
            "name": "Follow-up formulae"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 316 & 551",
          "effective_from": "2026",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(i), food category 13.1.2",
            "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": "13.1.3",
            "name": "Formulae for special medical purposes for infants"
          },
          "max_level": 2000,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 55 & 551",
          "effective_from": "2026",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(i), food category 13.1.3",
            "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": "13.2",
            "name": "Complementary foods for infants and young children"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 243, 295, 319 & 320",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 500(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 500(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": "497-19-8",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "7542-12-3",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "Anhydrous sodium carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bestmade Natural Products Nat Carb",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bisodium carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "BUFFER STANDARD SOLUTION PH 10.01,BAG WI TH 30 ML",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcined soda",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "carbonate sodium",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbonic acid disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbonic acid sodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbonic acid sodium salt (1:2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell N0 752",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 752",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CCRIS 7319",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CNa2O3",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Crystol carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Disodium carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Disodium carbonate (Na2CO3)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Disodium carbonate monohydrate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dried sodium carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dynamar L 13890",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 500",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Eluent 3: 0.5M Na2CO3",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "EPA Pesticide Chemical Code 073506",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Getrocknetes natriumkcarbonat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 5018",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.500(I)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-500(I)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Light Ash",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natrii carbonas monohydricus",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natrium Carbonicum Calcinatum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natrium carbonicum monohydricum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natrium Carbonicum Siccatum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natriumkarbonat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natrum carbonicum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sal soda",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Snowlite I",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Soda",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Soda (van)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Soda Ash",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Soda Ash Light 4P",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Soda, calcined",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Soda-ash",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium cabonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium carbonat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SODIUM CARBONATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium carbonate (2:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium carbonate (Na2(CO3))",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium carbonate (NF)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium carbonate sodium",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SODIUM CARBONATE, ACS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium carbonate, anhydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium Carbonate, Anhydrous ASTM D458",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium Carbonate, Anhydrous GE Materials D4D5",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium carbonates",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Sodium salt of carbonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium-carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodiumcarbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Solvay soda",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Suprapur 6395",
      "type": "common",
      "source": "pubchem"
    },
    {
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      "name": "Sodium carbonate",
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      "key": "ecfr",
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  "citation_policy": "Cite as: Food Additive Index, \"Sodium carbonate\", https://foodadditiveindex.com/additives/sodium-carbonate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.684Z"
}