{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/ammonium-bicarbonate",
  "slug": "ammonium-bicarbonate",
  "name": "Ammonium bicarbonate",
  "identifiers": {
    "e_number": null,
    "ins_number": "503(ii)",
    "cas_number": "1066-33-7",
    "inchikey": "ATRRKUHOCOJYRX-UHFFFAOYSA-N",
    "pubchem_cid": 14013
  },
  "functional_class": "Acidity regulator",
  "summary": "Ammonium bicarbonate, known to bakers as baker's ammonia, is a raising agent used in thin, dry biscuits and crackers. It decomposes completely to gases, leaving no residual salt taste.",
  "derivation_summary": "Made by combining ammonia, carbon dioxide and water. It can only be used in low-moisture products, because in a moist food the ammonia would not fully escape.",
  "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 184.1135",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1135"
          },
          "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": 4,
      "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 503(ii)",
            "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: 630",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 503(ii), 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": "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: 63",
          "effective_from": "2017",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 503(ii), 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": "13.2",
            "name": "Complementary foods for infants and young children"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 248 & XS73",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 503(ii), 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"
        }
      ]
    }
  ],
  "names": [
    {
      "name": "1066-33-7",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "Acid ammonium carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium acid carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "AMMONIUM BICARBONATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium bicarbonate (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium hydrogen carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium hydrogencarbonat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonium hydrogencarbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ammoniumbicarbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "azanium;hydrogen carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbonic acid, ammonium salt (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Carbonic acid, monoammonium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CCRIS 7327",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 491",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.503(II)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-503(II)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Monoammonium carbonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "NH4HCO3",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "503(ii)",
      "type": "ins",
      "source": "gsfa"
    },
    {
      "name": "Ammonium bicarbonate",
      "type": "label",
      "source": "ecfr"
    }
  ],
  "hazard_reference_values": [],
  "sources": [
    {
      "key": "ecfr",
      "name": "Electronic Code of Federal Regulations, Title 21",
      "publisher": "U.S. Government Publishing Office / National Archives",
      "licence": "Public domain",
      "url": "https://www.ecfr.gov/api/versioner/v1/full/2026-08-31/title-21.xml",
      "retrieved_at": "2026-09-07T18:25:51.549Z"
    },
    {
      "key": "gsfa",
      "name": "Codex General Standard for Food Additives (CXS 192-1995)",
      "publisher": "Codex Alimentarius Commission (FAO/WHO)",
      "licence": "FAO terms — non-commercial use with attribution",
      "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/",
      "retrieved_at": "2026-09-07T07:54:15.059Z"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Ammonium bicarbonate\", https://foodadditiveindex.com/additives/ammonium-bicarbonate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.408Z"
}