Astatobenzene is an organoastatine chemical compound with the formula . This is a compound in which an astatine atom, the rarest halogen, is bonded to a benzene ring.

Synthesis Several methods of obtaining astatobenzene are described.

Homogeneous exchange between iodobenzene and astatine iodide at room temperature:

Also, synthesis from phenylhydrazine and astatine iodide:

Also, thermal decomposition of diphenyliodonium iodide containing diphenyliodonium astatide:

Uses The compound is of scientific interest primarily in research contexts involving astatine chemistry and radiopharmaceutical applications, where astatine radioactive isotopes are used.

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