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347817 Sigma-Aldrich

Trifluoromethanesulfonic acid

ReagentPlus®, ≥99%

Synonym: Triflic acid

  • CAS Number 1493-13-6

  • Linear Formula CF3SO3H

  • Molecular Weight 150.08

  •  Beilstein/REAXYS Number 1812100

  •  EC Number 216-087-5

  •  MDL number MFCD00007514

  •  PubChem Substance ID 24861529

  •  NACRES NA.22

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Organic Acids, Synthetic Reagents More...
Quality Level   200
vapor density   5.2 (vs air)
vapor pressure   8 mmHg ( 25 °C)
product line   ReagentPlus®
assay   ≥99%
refractive index   n20/D 1.327 (lit.)
bp   162 °C (lit.)
density   1.696 g/mL at 25 °C (lit.)
SMILES string   OS(=O)(=O)C(F)(F)F
InChI   1S/CHF3O3S/c2-1(3,4)8(5,6)7/h(H,5,6,7)
InChI key   ITMCEJHCFYSIIV-UHFFFAOYSA-N

Description

General description

Trifluoromethanesulfonic acid is a strong organic acid. It can be prepared by reacting bis(trifluoromethylthio)mercury with H2O2. On mixing with HNO3, it affords a nitrating reagent (a nitronium salt). This reagent is useful for the nitration of aromatic compounds. Its dissociation in various organic solvents has been studied.

Packaging

100, 500 g in glass bottle

5, 25 g in ampule

Application

Deglycosylation agent

Trifluoromethanesulfonic acid may be used in the following studies:
• Preparation of benzophenone derivatives.
• Stereoselective synthesis of (Z)-bis(alkylthio)olefins.
• As a catalyst in Fischer glycosylation reaction.

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Target organs 
Respiratory system
RIDADR 
UN 3265 8 / PGII
WGK Germany 
WGK 1
Flash Point(F) 
332.1 °F - Pensky-Martens closed cup
Flash Point(C) 
> 166.7 °C - Pensky-Martens closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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