Potassium Bicarbonate 99.5% Extrapure
Confirms to BP
Potassium hydrogen carbonate
Product Code. |
02066 |
Grade |
|
Purity |
99.5% |
CAS No. |
298-14-6 |
Molecular Formula |
KHCO3 |
Molecular Weight |
100.12 |
H.S.Code |
2836.40000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
8 - 9 |
Melting point/ Freezing point [°C] |
100 - 120°C |
Density [g/cm3] |
2.17 |
| Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (acidimetric) | 99.5 - 101% |
| pH (1% solution in water) | 8 - 8.6 |
| Carbonate (as K2CO3) | Passes test |
| Chloride (Cl) | Max 0.015% |
| Sulphate (SO4) | Max 0.01% |
| Arsenic (As) | Max 0.0002% |
| Heavy metal (as Pb) | Max 0.0005% |
| Calcium (Ca) | Max 0.005% |
| Iron (Fe) | Max 0.001% |
| Copper (Cu) | Max 0.0005% |
| Sodium (Na) | Max 0.5% |
| Zinc (Zn) | Max 0.0025% |
| Loss on drying (over silica gel) | Max 0.3% |
Safety Information and Hazard Symbols