1,2-Diiodoethane is an

organoiodine compound Organoiodine chemistry is the study of the synthesis and properties of organoiodine compounds, or organoiodides, organic compounds that contain one or more carbon–iodine bonds. They occur widely in organic chemistry, but are relatively rare ...

Preparation and reactions

1,2-Diiodoethane can be prepared by the reaction of

ethylene Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or . It is a colourless, flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene (a hydrocarbon with carbon–carbon bond, carbon–carbon doub ...

with iodine (I): :CH + I CHI 1,2-Diiodoethane is most commonly used in organic synthesis in the preparation of

samarium(II) iodide Samarium(II) iodide is an inorganic compound with the formula SmI2. When employed as a solution for organic synthesis, it is known as Kagan's reagent. SmI2 is a green solid and forms a dark blue solution in THF. It is a strong one-electron re ...

or ytterbium(II) iodide in an inert solvent such as THF. :Sm + ICH₂CH₂I → SmI₂ + H₂C=CH₂

Spectral properties

In mass spectroscopy, 1,2-diiodoethane exhibits 5 major peaks, with the base peak showing at 155 m/z, which is the loss of one iodine atom (127 m/z).

References

{{DEFAULTSORT:Diiodoethane, 1,2- Iodoalkanes