Methanesulfonyl fluoride

Methanesulfonyl fluoride
Names
Preferred IUPAC name
Methanesulfonyl fluoride
Other names
Fumette, Mesyl fluoride
Identifiers
3D model (JSmol)
Abbreviations MSF
ChemSpider
ECHA InfoCard 100.008.358
EC Number
  • 209-192-2
MeSH methanesulfonyl+fluoride
RTECS number
  • PB2975000
UNII
UN number UN3389
  • InChI=1S/CH3FO2S/c1-5(2,3)4/h1H3
    Key: KNWQLFOXPQZGPX-UHFFFAOYSA-N
  • CS(=O)(=O)F
Properties
CH3FO2S
Molar mass 98.09 g·mol−1
Appearance liquid
Odor pungent
Density 1.427 g/mL
Boiling point 123 to 124 °C (253 to 255 °F; 396 to 397 K)
Reacts
1.360
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Corrosive
Highly toxic
GHS labelling:
H300, H314, H330
P301+P310, P303+P361+P353, P304+P340, P305+P351+P338, P320, P330, P405, P501
Related compounds
Other anions
Methanesulfonyl chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Methanesulfonyl fluoride (MSF) has long been known to be a potent inhibitor of acetylcholinesterase (AChE), the enzyme that regulates acetylcholine, an important neurotransmitter in both the central and peripheral nervous systems.