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Chemicals >> Stains & Indicators >> Iodine Solution


Iodine Solution

Iodine SolutionLugol's iodine, also known as Lugol's solution or Iodine Solution, first made in 1829, is a solution of iodine named after the French physician J.G.A. Lugol. Lugol's iodine solution is often used as an antiseptic and disinfectant, a starch indicator, to replenish iodine deficiency, to protect the thyroid gland from radioactive materials (e.g. "fallout"), and for emergency disinfection of drinking water.

It consists of 5% iodine and 10% potassium iodide in distilled water with total iodine content of 130 mg/mL. Potassium iodine is added to render the iodine water-soluble. This solution is also used as an indicator to test for the presence of starches in organic compounds (turns a dark-blue/black).

Other names for Lugol's solution are IKI (Iodine Potassium-Iodide); Iodine, Strong solution (Systemic); Aqueous Iodine Solution BP.

One of the most commonly used laboratory iodine solutions is .10N IKI.

It can be used as a cell stain, making the cell nuclei more visible.

This is no longer available due to state regulations.


Niles Biological, Inc.
9298 Elder Creek Road
Sacramento, CA 95829
(916) 386-2665