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Ammonium Iodide

 Features of AmmoniumIodide

Product Name: Ammonium iodide

Chemical Formula: NH4I

CAS No.: 12027-06-4

Dangerous Grade: NO

 

Technical Data of Ammonium Iodide

Item

Specification

Result

Appearance

White crystalline powder

White crystalline powder

Assay(NH4I), %

≥99.5

99.7

Insolublity, w/%

≤0.005

0.004

Chloride(Cl), w/%

≤0.02

＜0.02

Iodate and iodine(IO3),w/%

≤0.01

＜0.01

Iron(Fe), %

≤0.0003

＜0.0003

Residue on ignition(as sulfate), w/%

≤0.02

0.01

Conclusion: Pass

 

Package and Storage:

25kg/drum

Store in a cool, dry place. Keep container closed when not in use

Application /Application Industries:

Pharmaceuticals

Photograph

 

The chemical formula of ammonium iodide is NH4I. It is colorless crystal or granule at room temperature. Soluble in water, acetic acid, ammonia, soluble in ethanol, acetone; slightly soluble in ether. Sublimation of ammonium iodide after heating, the gas will appear yellow and brown when exposed to light and air.

 

Neutralization method:

Iodine and red phosphorus are added to a reactor containing water, and the reaction is carried out under stirring. After carefully filtering the reaction solution, distillation is carried out to collect a fraction of 125 to 130 ° C to obtain hydroiodic acid. When the ammonia gas is completely neutralized to a pH of 8 to 9, the ammonia gas is stopped. After filtering the solution, it was vacuum evaporated in a water bath until most of the crystals were precipitated. After cooling, centrifuging, drying at 50-60 ° C, the finished ammonium iodide is obtained.

 

HI+NH4OH(NH3.H2O)=NH4I+H20

 

For more information about glycolic acid, please feel free to contact us!

 


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