Fluoroiodomethane Chemical Properties

Boiling point:

53.4℃

Density 

2.366 g/cm³ (20 ºC)

refractive index 

1.491 (589.3 nm 20℃)

form 

clear liquid

color 

Colorless to Light yellow

Stability:

Volatile

InChI

InChI=1S/CH2FI/c2-1-3/h1H2

InChIKey

XGVXNTVBGYLJIR-UHFFFAOYSA-N

SMILES

C(F)I

CAS DataBase Reference

373-53-5

Safety Information

HS Code 

2903798000

Fluoroiodomethane Usage And Synthesis

Uses

Fluoroiodomethane is an synthetic precursor for the fluoromethylation of radiopharmaceuticals.

Properties and Applications

Fluoroiodomethane is a commercially available liquid with a boiling point of 53.4 °C. This reagent is easy to handle and represents a non-ozone-depleting alternative to the frequently used CFC (chlorofluorocarbons) and HBFC (hydrobromofluorocarbons). This reagent is featured by two carbon–halogen bonds (C–I and C–F) characterized by diverse reactivity. The bond dissociation energy (BDE) of C–I (233 kJ mol?1) compared to that of the C–F bond (460 kJ mol?1) enables a selective activation of CH2FI for multiple pathways delivering the fluoromethyl fragment unit. Indeed, the C–I bond can be engaged in lithium exchange protocols, transition-metal catalyzed reactions, nucleophilic substitutions, and radical pathways[1].

References

[1] Marco Colella . “The synthetic versatility of fluoroiodomethane: recent applications as monofluoromethylation platform.” Organic Biomolecular Chemistry 20 23 (2022): Pages 4669-4680.

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