Thallium(I) iodide

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Thallium(I) iodide, also known as thallous iodide, is a chemical compound. Its chemical formula is TlI. It has thallium and iodide ions in it. The thallium is in its +1 oxidation state.

Properties[change | change source]

Thallium(I) iodide is a yellow solid. It does not dissolve in water. It turns red when heated gently. It is a reducing agent. It is very toxic like all thallium compounds.

Preparation[change | change source]

It is made by reacting thallium with iodine or hydroiodic acid or by reacting any soluble thallium salt like thallium(I) sulfate with any iodide.

Uses[change | change source]

Thallium(I) iodide is used in mercury-vapor lamps. It is also used in a detector of radiation.

Related pages[change | change source]