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A propos de cet article
Formule empirique (notation de Hill) :
CHF3O3S
Numéro CAS:
Poids moléculaire :
150.08
UNSPSC Code:
12352106
EC Index Number:
216-087-5
NACRES:
NA.22
MDL number:
Form:
liquid
Grade:
synthesis grade
Service technique
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synthesis grade
Quality Level
vapor pressure
10 hPa ( 55 °C)
form
liquid
potency
1605 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)
pH
<1 ( in H2O)
bp
162 °C/1013 hPa
density
1.71 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
[Ba+2].FC(F)(F)[S](=O)(=O)[O-].FC(F)(F)[S](=O)(=O)[O-]
InChI
1S/2CHF3O3S.Ba/c2*2-1(3,4)8(5,6)7;/h2*(H,5,6,7);/q;;+2/p-2
InChI key
DXJURUJRANOYMX-UHFFFAOYSA-L
General description
Trifluoromethanesulfonic acid (also known as Triflic acid, TFMSA or TfOH) is an organic acid that is commonly used as a reagent in organic synthesis due to its strong Bronsted acidity, finding applications in catalysis, N-protection, dehydration, activation, and addition reactions., TFMSA is also used for global deprotection and cleavage in Boc SPPS.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Boc SPPS
Literature references:
[1] L. R. Subramanian, et al. (2001) Encyclopedia of Reagents for Organic Synthesis.
[2] R. D. Howells & J. D. Mc Cown JD (1977) Chem. Rev., 77, 69.
[3] J. Stewart, J. Young in “Solid Phase Peptide Synthesis”, Pierce Chemical Company, Rockford, 1984.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Boc SPPS
Literature references:
[1] L. R. Subramanian, et al. (2001) Encyclopedia of Reagents for Organic Synthesis.
[2] R. D. Howells & J. D. Mc Cown JD (1977) Chem. Rev., 77, 69.
[3] J. Stewart, J. Young in “Solid Phase Peptide Synthesis”, Pierce Chemical Company, Rockford, 1984.
Application
Recent applications of trifluoromethanesulfonic acid include:
- A dehydrating agent for the conversion of secondary alcohols to alkene, or the preparation of anhydrides from carboxylic acids.
- An acid catalyst in the synthesis of carbohydrates and glycosides.
- An activating agent for the activation of carboxylic acids and can be used for the synthesis of carboxylic acid derivatives such as esters, amides, and anhydrides.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3
target_organs
Respiratory system
Classe de stockage
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
Certificats d'analyse (COA)
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Trifluoromethanesulfonic acid and derivatives
R. D. Howells & J. D. Mc Cown JD
Chemical Reviews, 77, 69-69 (1977)
Solid Phase Peptide Synthesis, Pierce Chemical Company, Rockford, 1984.
J. Stewart, J. Young
Solid Phase Peptide Synthesis (1984)
Highly efficient p-toluenesulfonic acid-catalyzed alcohol addition or hydration of unsymmetrical arylalkynes
Olivi N, et al.
Synlett, 2004, 2175-2179 (2004)

