Potassium iodide is a salt made up of the minerals potassium (K) and iodine (I). Its chemical formula is “KI.” Potassium iodide is a medication and, when used properly, it can help protect the ...

The chemical formula of mercury (II) iodide is HgI 2. Mercury iodide is light-sensitive and insoluble in an aqueous solution, sinking when added to water. Aside from mercury (II) iodide, there are ...

Potassium iodide can help protect your thyroid from radioactive iodine. It’s useful during a nuclear radiation emergency. Learn more about the medication.

Although potassium iodide is very effective in preventing the uptake of iodine-131 and thyroid cancer it is not a panacea. Nor is it for everyone. According to the CDC , it is recommended only for ...

Iodide may have induced an abrupt, ... Dobyns BM, Vickery AL: Effects of various doses of radioactive iodine on function and structure of the thyroid of the rat. Endocrinology 50:612–638, 1952.