693294
1,1,2,2-Tetrafluoroethanesulfonic acid
97%
Synonym(s):
TFESA
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About This Item
Linear Formula:
CHF2CF2SO3H
CAS Number:
Molecular Weight:
182.09
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
Assay
97%
refractive index
n20/D 1.354
bp
210-211 °C/760 mmHg
density
1.747 g/mL at 25 °C
SMILES string
OS(=O)(=O)C(F)(F)C(F)F
InChI
1S/C2H2F4O3S/c3-1(4)2(5,6)10(7,8)9/h1H,(H,7,8,9)
InChI key
KZWJWYFPLXRYIL-UHFFFAOYSA-N
Application
Alternative to triflic acid.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Skin Corr. 1A
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Vsevolod V Rostovtsev et al.
The Journal of organic chemistry, 73(2), 711-714 (2007-12-19)
We have recently developed an improved synthetic route to 1,1,2,2-tetrafluoroethanesulfonic acid (HCF2CF2SO3H, TFESA) and explored the applications of this newly available superacid in catalysis. Low volatility, ease of handling, and a convenient 1H NMR handle make this acid an attractive
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