Potassium iodide - 30315
Code: 30315
Potassium iodide
Puriss. p.a., Reag. ISO, Reag. Ph. Eur., ≥99.5%
Reag. ISO, Reag. Ph. Eur.
CAS Number: 7681-11-0
Linear Formula: KI
Molar Mass: 166 g/mol
EC Number: 231-659-4
MDL Number: MFCD00011405
| Property |
Value |
| Assay |
min. 99.5 % |
| Assay (calculated to the dried substance) |
99.0 - 100.5 % |
| Loss on drying (105°C) |
max. 0.2 % |
| PH (5 %, 25 °C) |
6 - 8 |
| Free alkali (as KOH) |
max. 0.02 % |
| Arsenic (As) |
max. 0.00001 % |
| Barium (Ba) |
max. 0.002 % |
| Calcium (Ca) |
max. 0.001 % |
| Iron (Fe) |
max. 3 ppm |
| Magnesium (Mg) |
max. 0.001 % |
| Sodium (Na) |
max. 0.03 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Bromide, chloride (as Cl) |
max. 0.01 % |
| Iodate (JO3) |
complying |
| Iodate (IO3) |
max. 0.0002 % |
| Phosphate (PO4) |
max. 0.001 % |
| Sulfate (SO4) |
max. 10 ppm |
| Thiosulfate (S2O3) |
max. 0.005 % |
| Total N |
max. 0.001 % |
| Reducing impurities |
complying |
| Appearance of the solution |
complying |
| Property |
Value |
| Vapor Pressure |
1 mmHg ( 745 °C) |
| Boiling point |
1,323 °C |
| Freezing point |
681 °C |
| Density |
3.12 g/cm3 |