Inorganic Salts
Potassium Iodide AR
RA000108 CAS 7681-11-0 AR
ReagentAtlas lists Potassium Iodide AR (CAS 7681-11-0), a laboratory reagent of AR grade. Pack sizes: 100 g, 250 g, 500 g, 1 kg, 5 kg. Submit your requirement to request a quotation.
Identity
Classification
- Categories
- Inorganic Salts primary
Technical Data
Properties
| Property | Value |
|---|---|
| Physical state at 20 °C | Solid |
| pH value | 6 - 9 at 166 g/l at 25 °C |
| Melting point/ Freezing point [°C] | 681 °C |
| Boiling point [°C] | 1330 °C |
| Vapour pressure mm/Hg | 1 mm Hg at 745 °C |
| Density [g/cm3] | 3.13 |
| Solubility in water [% weight] | 166 g/l at 20 °C - completely soluble |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder |
| Assay (on anhydrous basis) | Min 99.0% |
| Heavy metal (as Pb) | Max 0.0005% |
| Thiosulphate | Max 0.005% |
| Free alkali | Max 0.02% |
| Loss on drying (at 105°C) | Max 0.2% |
| pH (5 % solution) | 6.0-9.0 |
| Chloride & bromide (as Cl) | Max 0.01% |
| Iodate (IO3) | Max 0.0005% |
| Phosphate (PO4) | Max 0.001% |
| Sulphate (SO4) | Max 0.005% |
| Arsenic (As) | Max 0.00001% |
| Barium (Ba) | Max 0.002% |
| Calcium (Ca) | Max 0.001% |
| Iron (Fe) | Max 0.0003% |
| Magnesium (Mg) | Max 0.001% |
| Sodium (Na) | Max 0.03% |
Available grades
4 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 100 g | RA000108-100G |
| 250 g | RA000108-250G |
| 500 g | RA000108-500G |
| 1 kg | RA000108-1KG |
| 5 kg | RA000108-5KG |
| 25 kg | RA000108-25KG |
| 50 kg | RA000108-50KG |