Structure via PubChem · Public domain (PubChem)
triflic acid
Sign in to saveAlso known as HOTf, TfOH, CF3SO3H, trifluoromethane sulfonic acid, trifluoromethanesulphonic acid, 1,1,1-trifluoromethanesulfonic acid, perfluoromethanesulfonic acid
chemical compound
Chemical data
- Formula
- CHF3O3S
- Molecular weight
- 150.08 g/mol
- IUPAC name
- trifluoromethanesulfonic acid
- SMILES
- C(F)(F)(F)S(=O)(=O)O
- InChIKey
- ITMCEJHCFYSIIV-UHFFFAOYSA-N
- XLogP
- 0.3
- Polar surface area
- 62.8 Ų
- H-bond donors
- 1
- H-bond acceptors
- 6
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- per- and polyfluoroalkyl substances
- Has part
- hydrogen
- Mass
- 149.96
Show 6 more facts
- canonical SMILES
- C(F)(F)(F)S(=O)(=O)O
- chemical formula
- CHF₃O₃S
- Commons category
- Triflic acid
- melting point
- -40.0
- short name
- TfOH
- pKa
- -14.27
via Wikidata · CC0
~6 min read
Encyclopedic overview
Names
IUPAC name Trifluoromethanesulfonic acid
Excerpted from Wikipedia’s “triflic acid” article, available under the CC BY-SA 4.0 licence.