Key Documents
Safety Information and Hazard Symbols
Potassium Iodide (AR) is a highly purified reagent (99.8%) used in analytical chemistry, pharmaceutical applications, and precise iodometric titrations. It contains extremely low levels of iodate, heavy metals, and other impurities, ensuring high accuracy and stability in sensitive procedures.
| Product Size | 250gm/500gm/25Kg | Grade | Analytical Reagent (AR) |
| Purity | 99.8% | CAS No. | 7681-11-0 |
| Molecular Formula | Kl | Molecular Weight | 166.00 |
| H.S. Code | 28276000 | Shelf Life | 60 months |
Specifications
| Minimum assay (calculated to the dried material) | 99.8% |
| pH (5% solution) | 6.0 – 9.5 |
| Water-insoluble matter | Max. 0.003% |
| Loss on drying | Max. 0.5% |
| Chloride and bromide (Cl) | Max. 0.01% |
| Iodate (IO3) | Max. 0.0002% |
| Nitrogen compounds (N) | Max. 0.001% |
| Phosphate (PO4) | Max. 0.001% |
| Sulphate (SO4) | Max. 0.0025% |
| Arsenic (As) | Max. 0.00001% |
| Barium (Ba) | Max. 0.001% |
| Calcium (Ca) | Max. 0.0005% |
| Copper (Cu) | Max. 0.0002% |
| Iron (Fe) | Max. 0.0002% |
| Lead (Pb) | Max. 0.0002% |
| Magnesium (Mg) | Max. 0.0005% |
| Sodium (Na) | Max. 0.1% |
| Iodine reducing substances (I) | Max. 0.001% |
| Appearance | White crystalline powder |
| Physical state | Solid |
| Solubility | 166 g/l at 20 °C – completely soluble |
| Melting point/ Freezing point [°C] | 681 °C |
| Density [g/cm3] | 3.13 |
| Boiling point [°C] | 1330 °C |
