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Trifluoromethanesulfonic anhydride

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Trifluoromethanesulfonic anhydride molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 13 grades and pack sizes of Trifluoromethanesulfonic anhydride (CAS 358-23-6). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS358-23-6
Molecular formulaC2F6O5S2
Molecular weight282.12 g/mol
IUPAC nametrifluoromethylsulfonyl trifluoromethanesulfonate
SynonymsTriflic anhydride · Trifluoromethanesulphonic anhydride · 8W034LHG1U · TRIFLATE ANHYDRIDE · Methanesulfonic acid, 1,1,1-trifluoro-, 1,1'-anhydride · RefChem:191596
Safety & Hazards (GHS) Danger
Oxidizing Oxidizing Corrosive Corrosive Irritant Irritant
  • H272 May intensify fire; oxidizer
  • H302 Harmful if swallowed
  • H314 Causes severe skin burns and eye damage
  • H318 Causes serious eye damage
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma TRIFLUOROMETHANESULFONIC ANHYDRIDE 91737-100ML
91737-25ML
91737-500ML
91737-5ML		 Request Quote
Sigma TRIFLUOROMETHANESULFONIC ANHYDRIDE SOLU 704083-100ML
704083-25ML		 Request Quote
Sigma TRIFLUOROMETHANESULFONIC ANHYDRIDE, 99+% 176176-10G
176176-1KG
176176-250G
176176-4KG
176176-500G
176176-50G
176176-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.