{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/trifluoromethane-sulfonic-acid",
  "slug": "trifluoromethane-sulfonic-acid",
  "name": "Trifluoromethane sulfonic acid",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": "1493-13-6",
    "inchikey": "ITMCEJHCFYSIIV-UHFFFAOYSA-N",
    "pubchem_cid": 62406
  },
  "functional_class": null,
  "summary": "Trifluoromethanesulfonic acid is a catalyst used in producing other food ingredients. It is one of the strongest acids in ordinary industrial use.",
  "derivation_summary": "Produced by chemical synthesis. It is used catalytically and removed rather than remaining in food.",
  "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 173.395",
            "url": "https://www.ecfr.gov/current/title-21/section-173.395"
          },
          "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": "1493-13-6",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "1,1,1-trifluoromethanesulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "acide triflique",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "acide trifluoromethanesulfonique",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "AgOTf cpd",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CHF3O3S",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cu(OTf)2",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Eu(OTf)3",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Fluorad FC 24",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HOTf",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "In(OTf)3",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Methanesulfonic acid, 1,1,1-trifluoro-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "METHANESULFONIC ACID, TRIFLUORO-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Methanesulfonic acid, trifluoro- (6CI,7CI,8CI,9CI)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "perfluoromethane sulfonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Perfluoromethanesulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Perfluoromethanesulfonic acid 50 microg/mL in Methanol:Water",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "tfmsa",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TFMSA cpd",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TfOH",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TFS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifiuoromethanesulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Triflic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "triflicacid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "triflouromethanesulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluormethane sulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluormethanesulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluormethanesulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluormethansulfonsaeure",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoro-methane sulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoro-methanesulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoro-methanesulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethan sulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethane sulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethane sulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethane-sulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulfonic acid pound TFMSA pound(c)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulfonic acid, purum, >=98.0% (T)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulfonic acid, reagent grade, 98%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulfonic acid, ReagentPlus(R), >=99%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethanesulphonic acid, 99%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethanesulphoriic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethansulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethyl sulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethyl sulphonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "trifluoromethyl-sulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethylsulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethysulfonic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trimsylate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Trifluoromethane sulfonic acid",
      "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",
      "retrieved_at": "2026-09-07T18:25:51.549Z"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Trifluoromethane sulfonic acid\", https://foodadditiveindex.com/additives/trifluoromethane-sulfonic-acid. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.756Z"
}