Methyl trifluoromethansulfonate

Methyl triflate
IUPAC name Methyl trifluoromethanesulfonate
Other names Trifluoromethanesulfonic acid, methyl ester Triflic acid, methyl ester
Identifiers
CAS number	333-27-7 Y
PubChem	9526
ChemSpider	9153 Y
Jmol-3D images	Image 1
SMILES COS(=O)(=O)C(F)(F)F
InChI InChI=1S/C2H3F3O3S/c1-8-9(6,7)2(3,4)5/h1H3 Y Key: OIRDBPQYVWXNSJ-UHFFFAOYSA-N Y InChI=1/C2H3F3O3S/c1-8-9(6,7)2(3,4)5/h1H3 Key: OIRDBPQYVWXNSJ-UHFFFAOYAL
Properties
Molecular formula	CF3SO3CH3
Molar mass	164.10 g/mol
Appearance	Colourless Liquid
Density	1.496 g/mL
Melting point	°C (? K)
Boiling point	100°C
Solubility in water	Hydrolyzes
Viscosity	? cP at ?°C
Hazards
R-phrases	R10R34
S-phrases	S26S36/37/39S45
Main hazards	Corrosive
Flash point	38°C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Methyl trifluoromethanesulfonate, is commonly called methyl triflate, and has the chemical formula CF₃SO₂-OCH₃, and is used as a very powerful (and very dangerous) methylating reagent in chemistry.

See also

• Triflate
• Magic methyl

References

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