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
Insolublity, w/%	≤0.005
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
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

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