{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/hexamethylene-tetramine",
  "slug": "hexamethylene-tetramine",
  "name": "Hexamethylene tetramine",
  "identifiers": {
    "e_number": "E239",
    "ins_number": "239",
    "cas_number": "100-97-0",
    "inchikey": "VKYKSIONXSXAKP-UHFFFAOYSA-N",
    "pubchem_cid": 4101
  },
  "functional_class": "Preservative",
  "summary": "Hexamethylene tetramine is a preservative with one narrow permitted use in the European Union: provolone cheese. It works by releasing formaldehyde slowly.",
  "derivation_summary": "Made by reacting formaldehyde with ammonia. Its use is restricted to a single named cheese, which is unusual even among the narrow listings in this standard.",
  "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": "01.6.2.1",
            "name": "Ripened cheese, includes rind"
          },
          "max_level": 25,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 66, 298, XS208, XS263, XS264, XS265, XS266, XS267, XS268, XS269, XS270, XS271, XS272, XS274, XS276, XS277, XS278",
          "effective_from": "2021",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 239, food category 01.6.2.1",
            "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": "100-97-0",
      "type": "cas",
      "source": "openfoodtox"
    },
    {
      "name": "1,3,5,7-Tetraazaadamantane",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "1,3,5,7-Tetraazatricyclo[3.3.1.1(3,7)]decane",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "1,3,5,7-Tetraazatricyclo[3.3.1.13,7]decane",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aceto HMT",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aminoformaldehyde",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammoform",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ammonioformaldehyde",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Antihydral",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cystamin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cystogen",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Duirexol",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 239",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Ekagom H",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Esametilentetramina",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Formamine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Formin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Formin (heterocycle)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Formine",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Herax UTS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Heterin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexa (vulcanization accelerator)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexa-Flo-Pulver",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexaform",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamethylenamine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HEXAMETHYLENE TETRAMINE",
      "type": "common",
      "source": "gsfa"
    },
    {
      "name": "Hexamethyleneamine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamethylenetetraamine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamethylenetetramine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamethylenetetraminum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamethylentetramin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamethylentetraminum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexamine",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Hexamine (heterocycle)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexaminum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexilmethylenamine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HMTA",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.239",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-239",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "J50OIX95QV",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Metenamina",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Methamin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Methenamin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Methenamine",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Methenamine, Silver",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "methenaminum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nocceler H",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Preparation AF",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Resotropin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "S 4 (heterocycle)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sanceler H",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Silver, Hexamine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Uramin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Uratrine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Urisol",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Uritone",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Urodeine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Urotropin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Urotropine",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Vulkacit H 30",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Xametrin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E239",
      "type": "e_number",
      "source": "openfoodtox"
    },
    {
      "name": "239",
      "type": "ins",
      "source": "gsfa"
    },
    {
      "name": "1,3,5,7-tetraazatricyclo[3.3.1.1]-decane",
      "type": "iupac",
      "source": "openfoodtox"
    }
  ],
  "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, \"Hexamethylene tetramine\", https://foodadditiveindex.com/additives/hexamethylene-tetramine. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.558Z"
}