CHF3O3S
150.08 g/mol
Research ReagentDanger
Trifluoromethanesulfonic acid
CAS1493-13-6EC216-087-5
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
Trifluoromethanesulfonic acid, commonly known as triflic acid, is a strong organic acid in which the methyl group of methanesulfonic acid is fully fluorinated. It serves as a conjugate acid of the triflate anion and is widely used in research and industrial chemistry.
catalystacid titrantsolvent for ESR spectroscopy
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
StrongSame Parent
Copper(II) triflate
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StrongSame Parent
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ReferenceSame Category
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Referencestereoisomer of
Zinc trifluoromethanesulfonate
CAS54010-75-2
research compound
Referencestereoisomer of
Tetrakis(acetonitrile)copper(I) Trifluoromethanesulfonate
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research compound
Safety Reference
Danger
H290May be corrosive to metals
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H335May cause respiratory irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Trifluoromethanesulfonic acid (CAS 1493-13-6) 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
trifluoromethanesulfonic acid
InChIKey
ITMCEJHCFYSIIV-UHFFFAOYSA-N
SMILES
C(F)(F)(F)S(=O)(=O)O
Synonyms (36)
- TFMS
- TFS
- AgOTf cpd
- Cu(OTf)2
- Eu(OTf)3
- Fluorad FC 24
- HOTf
- In(OTf)3
- Perfluoromethanesulfonic acid
- TFMSA cpd
- Trifiuoromethanesulfonic acid
- Triflic acid
- Trifluormethansulfonsaeure
- Trifluoromethanesulfonic acid
- Trifluoromethylsulfonic acid
- Trifluoromethysulfonic acid
- Trimsylate
- acide triflique
- perfluoromethane sulfonate
- tfmsa
- trifluormethanesulfonic acid
- trifluormethanesulphonic acid
- trifluoromethansulfonic acid
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