Ammonium Iodide
Features of Ammoniumiodid
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 crystaler | White crystaler |
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:
rmaceuticals
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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 srus 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 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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