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Sodium iodide NaI
Sodium iodide NaI CAS 7681-82-5
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Sodium iodide (chemical formula NaI) is the salt of sodium and iodide. It is a white

, crystalline solid that is used mainly as a nutritional supplement and in organic chemistry. It is produced industrially by acidic iodides and sodium hydroxide. Sodium iodide exists in white crystalline powder, hygroscopic. Very soluble in water, freely soluble in alcohol.



Sodium iodide%            ≥ 99.0
Sodium chloride %        ≤ 0.50
Sulfate %                     ≤ 0.040
Kali salt %                    ≤ 0.050
Heavy metal %             ≤ 0.001
Loss on dry %               ≤ 1.0
Iodate                          meet the standard of USP
Barium salt                  meet the standard of USP
PH                               meet the standard of USP

Color of solution           meet the standard of USP


Food supplement

Sodium iodide, as well as potassium iodide, is commonly used to treat and prevent iodine deficiency. 

Iodized table salt contains one part sodium or potassium iodide to 100,000 parts of sodium chloride.

Organic synthesis
Sodium iodide is used for conversion of an alkyl chlorides into an alkyl iodides.

Some radioactive iodide salts of sodium have radiopharmaceutical uses, such as in the treatment 

of thyroid cancer and hyperthyroidism or as radiolabeling tracers in imaging.


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