Sigma-Aldrich

Trifluoromethanesulfonic Acid, Reagent, Grade, 98%, 100 grams

Part Number:
MIL-158534-100G
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2-4 weeks
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Size:
100 grams
Style:
chemical
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Price: $222.70

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Description

Trifluoromethanesulfonic Acid Reagent grade, 98% 100 Gram

Synonym: TFMSA, 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 24849764
Grade ReagentPlus
Vapor Density

5.2 (vs air)
Vapor Pressure 8 mmHg (25°C)
InChI Key ITMCEJHCFYSIIV-UHFFFAOYSA-N
Assay 98%
Refractive Index n20/D 1.327 (lit.)
Bp 162°C(lit.)
Density 1.696 g/mL at 25°C (lit.)

General description

Trifluoromethanesulfonic acid is the strongest monoprotic organic acid. It has been synthesized by the oxidation of bis(trifluoromethylthio)mercury with aqueous hydrogen peroxide. It undergoes complete dissociation in basic solvents such as dimethyl sulfoxide, dimethylacetamide and dimethylformamide. Its dissociation in non-aqueous solvents has been studied by conductometry. On mixing trifluoromethanesulfonic acid with HNO3, it forms nitronium trifluoromethane sulfonate, which is an excellent nitrating reagent.

Application

Trifluoromethanesulfonic acid is a versatile reagent, employed as catalyst for the following studies:

  • Friedel-Crafts acylation of aromatic compounds with methyl benzoate.
  • Addition reaction of dialkyl disulfides to terminal alkynes.
  • Synthesis of a single cyclic tetrasiloxane containing propylammonium trifluoromethanesulfonate and methyl side-chain groups (Am-CyTS).
  • Preparation of starting reagents for the synthesis of fluorinated 2,5-substituted 1-ethyl-1H-benzimidazole derivatives.
  • Synthesis of aryl triflates, the lactonization of alkenoic acids, and the formation of E-alkenes.
  • Trifluoromethanesulfonic acid may be used as an initiator for the cationic polymerization of styrene, hexamethylcyclotrisiloxane and L,L-dilactide.
  • Deglycosylation agent

Safety Information

GHS05GHS07  GHS06, GHS07

Signal word Danger
Hazard statements H302 + H312-H314
Personal statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RIDADR UN 2810 6.1 / PGIII
WGK Germany 1

Documents

Safety Data Sheet

Warnings

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MPN:
158534-100G