Gold monoiodide

Goldmonoiodid

Yellow solid

Fixed

8.25 g · cm -3 ( 25 ° C)

120 ° C ( decomposition)

• Slow decomposition in water
• Soluble in liquid ammonia
• Soluble in alkali cyanides and Alkaliiodiden

Attention

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Gold ( I) iodide is an inorganic chemical compound of gold from the group of iodides.

Production and representation

Gold ( I) iodide may be obtained by reaction of a solution of potassium iodide Tetrachloridogoldsäure. Also possible is the production by the reaction of gold, and iodine in an inert atmosphere at about 390 ° C.

Properties

Gold (I ) iodide is a yellow crystalline powder, which gradually decomposes on contact with water, humidity or light. It has a tetragonal crystal structure with space group P42/ncm (a = 4.359 Å, c = 13.711 Å).