{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/chlorine-dioxide",
  "slug": "chlorine-dioxide",
  "name": "Chlorine dioxide",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": "10049-04-4",
    "inchikey": "OSVXSBDYLRYLIG-UHFFFAOYSA-N",
    "pubchem_cid": 24870
  },
  "functional_class": null,
  "summary": "Chlorine dioxide is a flour bleaching and maturing agent and an antimicrobial for produce washing and water treatment. It is a different substance from chlorine, and behaves differently.",
  "derivation_summary": "Generated on site from sodium chlorite, because it is too unstable to transport. It oxidises rather than chlorinating, so it does not form the same by-products as chlorine.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "permitted_with_conditions",
      "status_label": "Permitted, with conditions",
      "provision_count": 1,
      "provisions": [
        {
          "status": "permitted_with_conditions",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 173.300",
            "url": "https://www.ecfr.gov/current/title-21/section-173.300"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        }
      ]
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "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": []
    }
  ],
  "names": [
    {
      "name": "10049-04-4",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "(OClO)(.)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Alcide",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Anthium dioxcide",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "BlueMAX Pre-Post",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "BlueMAX Premium EU",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine dioxide",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "chlorine dioxide air disinfectant",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine dioxide disinfectant",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Dioxide Sustained Release Granules",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Dioxide(ClO2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine Oxide",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine oxide (ClO2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine oxide?",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorine(IV) oxide",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloroperoxyl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloryl radical",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ClO2",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "dioxido-lambda(5)-chloranyl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "dioxidochlorine(.)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dioxo-lambda~5~-chloranyl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "DMINE PENTOSE MEDI PLUS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Doxcide 50",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gladiator Super Dry",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Jiajia Gaseous Air Disinfectant",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Joyden",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Joyden plus",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "M.C. (Morningcalm) V Zero",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nobda disinfectant",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ProVtect Hand Sanitizer",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "PURE O2 S",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "PURE O2-S F",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Purite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SANI-HEALTH Sanitizer",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SFP INC. NVO-2 TOPICAL NAVEL DIP",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SFP INC. VO-2 SANITIZING TEAT DIP",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SKIN N CLEAN",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TBOSEN EMERGENCY STERILIZATION CARD",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "VIRUS KILL SANITIZER",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "VIRUS ZERO-F",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E926",
      "type": "e_number",
      "source": "pubchem"
    },
    {
      "name": "Chlorine dioxide",
      "type": "iupac",
      "source": "openfoodtox"
    },
    {
      "name": "Chlorine dioxide",
      "type": "label",
      "source": "ecfr"
    }
  ],
  "hazard_reference_values": [
    {
      "type": "TDI",
      "value": 0.03,
      "value_text": null,
      "unit": "mg/kg bw/day",
      "population": "consumers",
      "assessing_body": "EFSA AFC",
      "year": 2006,
      "opinion": {
        "ref": "doi:10.2903/j.efsa.2006.297",
        "url": "https://doi.org/10.2903/j.efsa.2006.297"
      }
    }
  ],
  "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"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Chlorine dioxide\", https://foodadditiveindex.com/additives/chlorine-dioxide. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.477Z"
}