{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/potassium-chloride",
  "slug": "potassium-chloride",
  "name": "Potassium chloride",
  "identifiers": {
    "e_number": "E508",
    "ins_number": "508",
    "cas_number": "7447-40-7",
    "inchikey": "WCUXLLCKKVVCTQ-UHFFFAOYSA-M",
    "pubchem_cid": 4873
  },
  "functional_class": "Thickener",
  "summary": "Potassium chloride is the main substitute for ordinary salt in reduced-sodium foods. It tastes salty but carries a metallic bitterness, which is why it is usually blended with sodium chloride rather than replacing it outright.",
  "derivation_summary": "Mined as sylvite or recovered from brines, then purified.",
  "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 184.1622",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1622"
          },
          "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": 15,
      "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 508",
            "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 508, 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: 234 & 634",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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: XS288",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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 508, 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 508, 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": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": "06.4.2",
            "name": "Dried pastas and noodles and like products"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 256",
          "effective_from": "2014",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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: 16 & 326",
          "effective_from": "2015",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": "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: XS36, XS92, XS95, XS165, XS190, XS191, XS292, XS312 & XS315",
          "effective_from": "2017",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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: 41 & XS166",
          "effective_from": "2017",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": null,
          "effective_from": "2015",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": "09.2.5",
            "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: 300, XS167, XS189, XS222, XS236, XS244 & XS311",
          "effective_from": "2018",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": "2014",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": "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": "2014",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 508, 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": "7447-40-7",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "Acronitol",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Celeka",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloride of potash",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloropotassuril",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorvescent",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Durekal",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Durules",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 508",
      "type": "common",
      "source": "openfoodtox"
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    {
      "name": "Enpott",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Enseal",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "K-Contin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "K-Lease",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "K-Lor",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "K-Tab",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kadalex",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalcorid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kaleorid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kaliduron",
      "type": "common",
      "source": "pubchem"
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    {
      "name": "Kaliglutol",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalilente",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalinorm",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kaliolite",
      "type": "common",
      "source": "pubchem"
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    {
      "name": "Kalipor",
      "type": "common",
      "source": "pubchem"
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    {
      "name": "Kalipoz",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalitabs",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalitrans Retard",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalium Duriles",
      "type": "common",
      "source": "pubchem"
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    {
      "name": "Kalium Durules",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kalium Retard",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kaochlor",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kaon Cl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kaon-Cl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kato",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kay Ciel",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Keylyte",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Klor-Con",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kloren",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Klorvess",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Klotrix",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Micro-K",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Miopotasio",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Monopotassium chloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Muriate of potash",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natural sylvite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Neobakasal",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Peter-kal",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Pfiklor",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Potasion",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Potasol",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Potassium chloride",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Potassium monochloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Potassium muriate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Potavescent",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Rekawan",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Rekawan Retard",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Repone K",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Slow-K",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Steropotassium",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sylvine",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Sylvite",
      "type": "common",
      "source": "openfoodtox"
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      "name": "Ten-K",
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      "name": "E508",
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      "name": "508",
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    {
      "name": "potassium chloride",
      "type": "iupac",
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    },
    {
      "name": "Potassium chloride",
      "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",
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      "name": "Codex General Standard for Food Additives (CXS 192-1995)",
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      "licence": "FAO terms — non-commercial use with attribution",
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  "citation_policy": "Cite as: Food Additive Index, \"Potassium chloride\", https://foodadditiveindex.com/additives/potassium-chloride. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.645Z"
}