Potassium chloride - 31248
Code: 31248
Potassium chloride
Puriss. p.a., Reag. ISO, Reag. Ph. Eur., 99.5-100.5%
99.5-100.5%, Reag. ISO, Reag. Ph. Eur., 99.5-100.5%
CAS Number: 7447-40-7
Linear Formula: KCl
Molar Mass: 74.55 g/mol
EC Number: 231-211-8
MDL Number: MFCD00011360
| Property |
Value |
| Assay |
min. 99.5 % |
| Assay (calculated to the dried substance) |
99.0 - 101.0 % |
| Water insoluble matter |
max. 0.005 % |
| Loss on drying (105°C, 3h) |
max. 0.2 % |
| PH (5 %, 25 °C) |
5 - 8 |
| Acid. or alk. react. impurities |
complying |
| Free acid (as HCl) |
max. 0.003 % |
| Free alkali (as KOH) |
max. 0.003 % |
| Aluminium (Al) |
max. 1 ppm |
| Barium (Ba) |
max. 0.001 % |
| Calcium (Ca) |
max. 0.001 % |
| Iron (Fe) |
max. 2 ppm |
| Magnesium (Mg) |
max. 0.0005 % |
| Sodium (Na) |
max. 0.02 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Mg, earth alkali metals (as Ca) |
max. 200 ppm |
| Bromide (Br) |
max. 0.01 % |
| Iodide (I) |
max. 0.002 % |
| Iodide (I) test |
complying |
| Phosphate (PO4) |
max. 0.0005 % |
| Sulfate (SO4) |
max. 20 ppm |
| Total N |
max. 0.001 % |
| Appearance of the solution |
complying |
| Property |
Value |
| Boiling point |
1,413 °C |
| Freezing point |
772 °C |
| Density |
2 g/cm3 |
