Open main menu

Wikipedia β

Silver iodide

inorganic compound
Silver iodide

Silver iodide is a chemical compound. Its chemical formula is AgI. It contains silver in its +1 oxidation state. It also contains iodide ions.

Contents

PropertiesEdit

Silver iodide is a yellow solid. It does not dissolve in water. It turns dark when light is shined on it. The darkening is caused by a chemical reaction. The silver iodide turns into silver and iodine.

PreparationEdit

It is made by reacting an iodide such as sodium iodide with silver nitrate.

UsesEdit

 
Silver iodide generator on airplane

Silver iodide is sprinkled in clouds to make rain. It can also be used in photographic film.

SafetyEdit

Silver iodide is toxic. It can stain skin. It is not as toxic as other silver compounds that dissolve in water. The iodide also is toxic.

Related pagesEdit