Trifluoromethanesulfonic Anhydride

№ CAS: 358-23-6
№ EINECS: 206-616-8
Chemical formula: (CF3SO2)2O
Short chemical formula: Tf2O
Synonyms: Triflic Anhydride
All properties
Description Value Method
Assay, mass % 99,5 NMR
Total content of CF3SO3H and CF3SO3CF3, mass % 0.29 NMR
Fluoride ion, mass % 0.005 Direct Potentiometry
Sulfate ion, mass % 0,001 Turbidimetry
№ CAS
358-23-6
№ EINECS
206-616-8
Chemical formula
(CF3SO2)2O
Short chemical formula
Tf2O
Synonyms
Triflic Anhydride
Molecular mass
282.13 g/mol
Relative density
1.6770 g/cm3
Boiling point
81 to 83 ºС at 745 mm Hg
Melting point
– 80 ºС
58-liter (90 Kg net) UN-certified stainless steel drums