Trifluoromethane sulfonic acid

CAS 1493-13-6

Trifluoromethanesulfonic acid is a catalyst used in producing other food ingredients. It is one of the strongest acids in ordinary industrial use.

Where it is and isn’t permitted

Status of Trifluoromethane sulfonic acid by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted, with conditions21 CFR 173.395retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFANot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.

What it is made from

Produced by chemical synthesis. It is used catalytically and removed rather than remaining in food.

  • Vegan
  • Vegetarian
CAS registry number
1493-13-6
InChIKey
ITMCEJHCFYSIIV-UHFFFAOYSA-N
PubChem
CID 62406

Every name it appears under

52 recorded names. A label may use any of them.

CAS registry number

  • 1493-13-6

As it appears in regulation

  • Trifluoromethane sulfonic acid

Other names

  • 1,1,1-trifluoromethanesulfonic acid
  • acide triflique
  • acide trifluoromethanesulfonique
  • AgOTf cpd
  • CHF3O3S
  • Cu(OTf)2
  • Eu(OTf)3
  • Fluorad FC 24
  • HOTf
  • In(OTf)3
  • Methanesulfonic acid, 1,1,1-trifluoro-
  • METHANESULFONIC ACID, TRIFLUORO-
  • Methanesulfonic acid, trifluoro- (6CI,7CI,8CI,9CI)
  • perfluoromethane sulfonate
  • Perfluoromethanesulfonic acid
  • Perfluoromethanesulfonic acid 50 microg/mL in Methanol:Water
  • tfmsa
  • TFMSA cpd
  • TfOH
  • TFS
  • Trifiuoromethanesulfonic acid
  • Triflic acid
  • triflicacid
  • triflouromethanesulphonic acid
  • trifluormethane sulfonic acid
  • trifluormethanesulfonic acid
  • trifluormethanesulphonic acid
  • Trifluormethansulfonsaeure
  • trifluoro-methane sulfonic acid
  • trifluoro-methanesulfonic acid
  • trifluoro-methanesulphonic acid
  • trifluoromethan sulphonic acid
  • Trifluoromethane sulfonic acid
  • trifluoromethane sulphonic acid
  • trifluoromethane-sulfonic acid
  • Trifluoromethanesulfonic acid
  • Trifluoromethanesulfonic acid pound TFMSA pound(c)
  • Trifluoromethanesulfonic acid, purum, >=98.0% (T)
  • Trifluoromethanesulfonic acid, reagent grade, 98%
  • Trifluoromethanesulfonic acid, ReagentPlus(R), >=99%
  • Trifluoromethanesulphonic acid
  • Trifluoromethanesulphonic acid, 99%
  • trifluoromethanesulphoriic acid
  • trifluoromethansulfonic acid
  • trifluoromethyl sulfonic acid
  • trifluoromethyl sulphonic acid
  • trifluoromethyl-sulfonic acid
  • Trifluoromethylsulfonic acid
  • Trifluoromethysulfonic acid
  • Trimsylate

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • ecfr retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/trifluoromethane-sulfonic-acid.json