C2F6O5S2
282.14 g/mol
Research ReagentDanger
Trifluoromethanesulfonic anhydride
CAS358-23-6EC206-616-8
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
Trifluoromethanesulfonic anhydride, also known as triflic anhydride, is a strong electrophilic reagent derived from triflic acid. It is primarily used in research laboratories for introducing the triflyl group into organic molecules.
Reagent for triflyl group introduction
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Safety Reference
Danger
H272May intensify fire; oxidizer
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Trifluoromethanesulfonic anhydride (CAS 358-23-6) is 2904.99.
HS code (international, 6-digit)
2904.99
EU CN code (8-digit)
2904 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
trifluoromethylsulfonyl trifluoromethanesulfonate
InChIKey
WJKHJLXJJJATHN-UHFFFAOYSA-N
SMILES
C(F)(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F
Synonyms (34)
- (Tf)2O
- TRIFLATE ANHYDRIDE
- Triflic anhydride
- Triflic anhydride solution
- triflic acid anhydride
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