{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/chlorine",
  "slug": "chlorine",
  "name": "Chlorine",
  "identifiers": {
    "e_number": null,
    "ins_number": "925",
    "cas_number": null,
    "inchikey": "KZBUYRJDOAKODT-UHFFFAOYSA-N",
    "pubchem_cid": 24526
  },
  "functional_class": "Flour treatment agent",
  "summary": "Chlorine is a flour treatment agent. Chlorinating soft flour is what makes American high-ratio cake possible — a cake carrying more sugar and liquid than flour, which untreated flour cannot hold. The European Union does not permit it, which is one reason cake recipes do not transfer well across the Atlantic.",
  "derivation_summary": "Produced by electrolysing brine. Applied as a gas to flour, where it oxidises the surface of the starch granules and the flour proteins.",
  "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": 1,
      "provisions": [
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "06.2.1",
            "name": "Flours"
          },
          "max_level": 2500,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 87, 471",
          "effective_from": "2019",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 925, food category 06.2.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        }
      ]
    }
  ],
  "names": [
    {
      "name": "7782-50-5",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "81859-29-2",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "Bertholite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bertholite /warfare gas/",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 179",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CCRIS 2280",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloor",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlor",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlore",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "chloride content of cement raw meal",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CHLORINE",
      "type": "common",
      "source": "gsfa"
    },
    {
      "name": "Chlorine - Cl @ 1.00 wt% in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 10 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 100 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 1000 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 5 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 5 microg/g in 75 cSt Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 50 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine - Cl @ 5000 microg/g in 75 cSt Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine 35",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Blank (0 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Blank - Cl @ 0 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine gas",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine mol.",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 10 microg/g (0.0010 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 100 microg/g (0.0100 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 1000 microg/g (0.100 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 10000 microg/g (1.00 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 20 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 200 microg/g (0.0200 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 2000 microg/g (0.200 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 25 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 250 microg/g (0.0250 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 50 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 500 microg/g (0.0500 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 50000 microg/g (5.00 wt%) in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Standard: Cl @ 75 microg/g in 75 cSt Mineral Oil",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine, >=99.5%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine, puriss., >=99.8%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine-35",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine-elemental",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorinum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloroniumchlorid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "chorine chloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cl2 Gas",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cloro",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Coal  - Chlorine (NIM-GBW11118)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "dichlorane",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "dichlorine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dietary Chlorine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Disinfectant(NaClO)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "EPA Pesticide Chemical Code 020501",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gas, Chlorine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gas, Cl2",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HBA Disinfectant",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 206",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.925",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-925",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Molecular chlorine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Total Chlorine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "925",
      "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, \"Chlorine\", https://foodadditiveindex.com/additives/chlorine. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.477Z"
}