What is Potassium Iodide (KI)?

Potassium iodide is an not natural chemical link which is denoted through the chemistry formula KI.

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Potassium iodide is a metal-halide salt featuring an ionic bond between the potassium cation (K+) and also the iodide anion (I–). it is colourless come white, it appears as cubical crystals, or flour or white granules. It has a extremely bitter, saline taste.


This compound is ready by iodine and also mixing potassium hydroxide. It is just one of the many effective and also safe medicines forced in a health system and is in the perform of the world Health Organization’s perform of important Medicines.

Properties the Potassium Iodide

1. Physics Properties

KIPotassium Iodide
Molecular Weight/ Molar Mass166.0028 g/mol
Density3.12 g/cm3
Boiling Point1,330 °C
Melting Point681 °C

2. Chemical Properties

Potassium iodide have the right to be oxidized right into an I2 molecule by presenting an oxidizing certified dealer to it. An example of such a reaction is detailed below.

2KI + Cl2 → 2 KCl + I2

This compound is provided as one iodide source in numerous organic synthetic reactions. One such example is the synthesis of aryl iodides native the diazonium salts of arenes.

Potassium Iodide structure (KI Structure)

A molecule of potassium iodide consists of one potassium cation and also one iodide anion, which are hosted together by an ionic bond. The structure of a KI molecule is illustrated below.


Uses the Potassium Iodide

It is offered as a nutritional complement in the person diet and also in pet feeds.It is provided in table salt together the most usual additive.It is provided to prevent the loss of iodine as result of oxidation native salts.It is used in the therapy of hyperthyroidism.It helps in fostering hormonal balance.It help to filter the end chlorides, bromides, fluorides, and mercury from cells and tissues.It is offered as an risk to break up the mucus so the patient have the right to breathe easily.It can aid in shrinking the size of the thyroid gland and likewise decreases the variety of thyroid hormone produced.

Frequently request Questions

What is potassium iodide used for?

Potassium iodide and also anti-thyroid medications are likewise used come prepare the thyroid gland because that surgical removal, to treat various other overactive thyroid obstacle (hyperthyroidism), and to defend the thyroid in an emergency the radiation exposure.

How execute you do potassium iodide?

Potassium iodide (KI) is all set by reaction potassium hydroxide come iodine with a hot solution. It is used largely in the kind of a saturation solution, 100 g potassium iodide come 100 ml water. That translates to approximately 50 mg / drop. Till drinking, the equipment is normally used to the tea, fruit juice or milk.

What walk potassium iodide do for the body?

KI (potassium iodide) is a steady (not radioactive) iodine salt the can assist prevent the absorb of radiation iodine through the thyroid gland, thus shielding this gland from radiation injury. The thyroid gland is the most sensitive ingredient of the human body to radioactive iodine.

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What happens if girlfriend eat potassium iodide?

If potassium iodide upsets your stomach, take it it ~ meals or through food or milk, unless your physician has argued otherwise. If your stomach start to gain upset (nausea, vomiting, abdominal muscle pain or diarrhea), consult v your doctor.

What room the side results of potassium iodide?

Serious side effects of Potassium Iodide include: allergic reactions (skin rash such as hives; swelling of assorted parts the the body, such as the face, lips, tongue, neck, hand or feet; fever with joint pain, an obstacle breathing, speaking or swallowing, wheezing or shortness that breath)