Trifluoromethanesulfonic acid
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Trifluoromethanesulfonic acid
structure -
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CAS No:
1493-13-6
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Formula:
CHF3O3S
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Chemical Name:
Trifluoromethanesulfonic acid
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Synonyms:
Methanesulfonic acid,1,1,1-trifluoro-;Methanesulfonic acid,trifluoro-;1,1,1-Trifluoromethanesulfonic acid;Perfluoromethanesulfonic acid;Triflic acid;Trifluoromethanesulfonic acid;Trifluoromethylsulfonic acid;Fluorad FC 24;1,1,1-Trifluoro-1-methanesulfonic acid;83936-79-2;132645-03-5;146819-41-2;410094-25-6;686276-05-1;1071724-18-9;1075754-75-4;2001095-27-6
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CAS No:
Description
Solid
Trifluoromethanesulfonic acid, also known as triflic acid, TFMS, TFSA, HOTf or TfOH, is a sulfonic acid with the chemical formula CF3SO3H. It is one of the strongest acids. Triflic acid is mainly used in research as a catalyst for esterification. It is a hygroscopic, colorless, slightly viscous liquid which is soluble in polar solvents.
Triflic acid is a one-carbon compound that is methanesulfonic acid in which the hydrogens attached to the methyl carbon have been replaced by fluorines. It is a one-carbon compound and a perfluoroalkanesulfonic acid. It is a conjugate acid of a triflate.
Trifluoromethanesulfonic acid Basic Attributes
150.077
150.08
216-087-5
JE2SY203E8
DTXSID2044397
2904909090
Characteristics
62.75000
-0.37
Solid
1.69 g/cm3
<25 °C
166 °C
None
1.354
SOLUBLE
-20ºC
0.10 mmHg
5.2 (vs air)
Safety Information
II
8
UN 3265 8/PG 2
2
R21/22;R35
S26-S36/37/39-S45
C:Corrosive
Stable. Incompatible with acids, alkalis, metals.
P280-P305 + P351 + P338-P310
H226-H314
UN 3265
P280; P305 + P351 + P338; P310
|Danger|H290 (93.65%): May be corrosive to metals [Warning Corrosive to Metals]|P234, P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P330, P363, P390, P403+P233, P404, P405, and P501|Aggregated GHS information provided by 2332 companies from 30 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Warning|H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]|P264, P280, P305+P351+P338, and P337+P313
Trifluoromethanesulfonic acid Use and Manufacturing
Functional fluids (open systems)
Metal products not covered elsewhere
< 25,000 lb
Miscellaneous manufacturing|Methanesulfonic acid, 1,1,1-trifluoro-: ACTIVE
Computed Properties
Molecular Weight:150.08
XLogP3:0.3
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:6
Exact Mass:149.95984955
Monoisotopic Mass:149.95984955
Topological Polar Surface Area:62.8
Heavy Atom Count:8
Complexity:158
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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