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What is potassium iodide

What is potassium iodide

Potassium iodide, a feed additive, is an ionic compound in which iodine ions can form a dark yellow precipitate of silver iodide with silver ions (see photo decomposition, which can be used to make high-speed photographic films). Therefore, silver nitrate can be used to test the presence of iodine ions. Iodine, as a component of thyroxine, is closely related to the basic metabolism of livestock and poultry, participating in almost all material metabolism processes. Iodine deficiency in livestock can cause thyroid hyperplasia and hypertrophy, decrease the basic metabolic rate, and affect growth and development. Iodine needs to be added to the feed of young livestock and livestock in iodine deficient areas. High yielding dairy cows and laying hens also require an increase in iodine, and iodine needs to be added to their feed.

What is the application of potassium iodide

Anti radiation effects: Various countries will distribute or reserve iodine tablets to residents around nuclear power plants, the main component of which is potassium iodide. In the event of radiation leakage from nuclear power plants due to disasters, allowing surrounding residents to take iodine tablets can saturate iodine in the thyroid and reduce the absorption of radioactive Chemicalbook iodine 131 by the thyroid. However, it is necessary to take it within 4 hours when exposed to free iodine radiation to have an effect, and it cannot prevent free radiation and isotopes other than iodine-131. Improper use by ordinary people without instructions can cause symptoms of hyperthyroidism.

What is Potassium Iodide

Potassium iodide is a raw material for manufacturing iodides and dyes. Used as a photosensitive emulsifier for photography. In medicine, it is used as an expectorant, diuretic, goiter prevention and treatment agent, as well as a pre operative medication for hyperthyroidism. It is also used in the production of rheumatic painkillers with analgesic and blood activating effects. It is a co solvent for iodine and certain insoluble metal iodides.

Unilong supply potassium iodide

Product name:Potassium iodide



Molecular formula:KI

Grade: Industrial grade, medical grade, AR

Item of analysis Standard Result of analysis
Description Colorless or white powder conform
Clarity Turbidity shall not be greater

than No. 3 standard

Water insoluble


≤0.01% 0.005%





Chlorid and bromide






Iodate and iodine







Sulfate ≤0.005% <0.005%
Phosphate ≤0.002% <0.002%
Na ≤0.10% 0.09%
Ba ≤0.002% <0.002%
Mg ≤0.002% 0.0015%
Fe ≤0.0003% <0.0003%
Ca ≤0.002% 0.0013%
AS ≤0.00002% <0.0002%
Heavy metal ≤0.0005% <0.0004%
purity ≥99% 99.3%
Loss on drying at 150 C ≤0.2% 0.2%
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