Copper(I) iodide

Product name :Copper(I) iodide 
Cas No.:7681-65-4 
Molecular Weight : 190.45 
EC NO :231-674-6 
Molecular Formula : CuI 
Specification : China 
Packing: 25KG/drum

Property Description : gray or brownish yellow powder. Insoluble in ethanol, soluble in concentrated sulfuric acid, hydrochloric acid, ammonia and potassium iodide, sodium thiosulfate, sodium cyanide aqueous solution. It is easy to decompose under the action of light. 
Cuprous iodide is almost insoluble in water (0.00042 g/L, 25 ° C) and is insoluble in acid, but can continue to coordinate with iodide to form linear [CuI2] ions, which are soluble in potassium iodide or sodium iodide. In solution. The resulting solution was diluted to give a cuprous iodide precipitate and was therefore used to purify the cuprous iodide sample. 
Properties : White crystal or off-white powder, easily decomposed into brownish yellow in light. Do not dissolve in water and ethanol. Soluble in 75% sulfuric acid and hydrochloric acid, also soluble in ammonia water, potassium iodide. It reacts with sodium hydroxide to form cuprous oxide.

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