{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/sodium-dihydrogen-citrate",
  "slug": "sodium-dihydrogen-citrate",
  "name": "Sodium dihydrogen citrate",
  "identifiers": {
    "e_number": null,
    "ins_number": "331(i)",
    "cas_number": null,
    "inchikey": "HWPKGOGLCKPRLZ-UHFFFAOYSA-M",
    "pubchem_cid": 23666341
  },
  "functional_class": "Acidity regulator",
  "summary": "Monosodium citrate is an acidity regulator and sequestrant, used in drinks, jams and dairy products where a milder buffering effect than the trisodium salt is wanted.",
  "derivation_summary": "Made by partially neutralising fermentation-derived citric acid with sodium.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "not_listed",
      "status_label": "Not listed",
      "note": "Does not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.",
      "provision_count": 0,
      "provisions": []
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "status": "permitted_with_conditions",
      "status_label": "Permitted, with conditions",
      "provision_count": 24,
      "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 331(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": "01.1.3",
            "name": "Fluid Buttermilk (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 261",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 01.1.3",
            "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": "01.2.1.2",
            "name": "Fermented milks (plain), heat-treated after fermentation"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 234 & 631",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(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 331(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 331(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 331(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 331(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": "02.1.1",
            "name": "Butter oil, anhydrous milkfat, ghee"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 171",
          "effective_from": "2006",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 02.1.1",
            "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": "02.1.2",
            "name": "Vegetable oils and fats"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 511, XS33 & XS325R",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 02.1.2",
            "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": "02.1.3",
            "name": "Lard, tallow, fish oil, and other animal fats"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 522, XS329",
          "effective_from": "2021",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 02.1.3",
            "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": "04.2.1.1",
            "name": "Untreated fresh vegetables, (including mushrooms and fungi, roots and tubers, pulses and legumes (including soybeans), and aloe vera), seaweeds and nuts and seeds"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 262, XS40R, XS304R, XS324R, XS335R & XS336R",
          "effective_from": "2026",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 04.2.1.1",
            "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": "04.2.2.1",
            "name": "Frozen vegetables (including mushrooms and fungi, roots and tubers, pulses and legumes, and aloe vera), seaweeds and nuts and seeds"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 29 & 93",
          "effective_from": "2024",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 04.2.2.1",
            "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": "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 331(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: 281",
          "effective_from": "2014",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(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",
            "name": "Processed fish and fish products, including molluscs, crustaceans, and echinoderms"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 253, 391, XS36, XS92, XS95, XS167, XS189, XS190, XS191, XS222, XS236, XS244, XS292, XS311, XS312 & XS315",
          "effective_from": "2018",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 09.2",
            "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": "10.2.1",
            "name": "Liquid egg products"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 10.2.1",
            "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": "10.2.2",
            "name": "Frozen egg products"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 10.2.2",
            "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": "11.4",
            "name": "Other sugars and syrups (e.g. xylose, maple syrup, sugar toppings)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 258",
          "effective_from": "2013",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(i), food category 11.4",
            "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": "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 331(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": "13.1.1",
            "name": "Infant formulae"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 55 & 551",
          "effective_from": "2026",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(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 331(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": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 55 & 551",
          "effective_from": "2026",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(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": 5000,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 238, 319 & 320",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 331(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 331(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": "18996-35-5",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monosodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "1,2,3-Propanetricarboxylic acid, 2-hydroxy-, sodium salt (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "C6H7NaO7",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Citric acid monosodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "mono sodium citrate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Monosodium citrate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Monosodium Citrate Anhydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium 3,4-dicarboxy-3-hydroxybutanoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium citrate monobasic",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium citrate monobasic, BioXtra, anhydrous, >=99.5% (T)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium citrate monobasic, purum p.a., anhydrous, >=99.0% (T)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SODIUM DIHYDROGEN CITRATE",
      "type": "common",
      "source": "gsfa"
    },
    {
      "name": "Sodium dihydrogencitrate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium dihydrogencitrate, 99%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium,2-(carboxymethyl)-2,4-dihydroxy-4-oxobutanoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium;2-(2-hydroxy-2-oxoethyl)-2,4-bis(oxidanyl)-4-oxidanylidene-butanoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sodium;3-carboxy-3,5-dihydroxy-5-oxopentanoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E331I",
      "type": "e_number",
      "source": "pubchem"
    },
    {
      "name": "331(i)",
      "type": "ins",
      "source": "gsfa"
    }
  ],
  "hazard_reference_values": [],
  "sources": [
    {
      "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, \"Sodium dihydrogen citrate\", https://foodadditiveindex.com/additives/sodium-dihydrogen-citrate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.690Z"
}