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Zinc iodide is composed of Zinc and Iodine. It is an inorganic comppound with a molecular weight of 319.22. It is a white, granular, odorless solid that absorbs water from the atmosphere and then dissolves into a solution. At 1150°C, zinc iodide vapor dissociates into zinc and iodine.
Zinc iodide is often used as an X-ray opaque penetrant in industrial radiography to improve the contrast between the damage and intact composite.
