Potassium Phosphate Dibasic Anhydrous 99% AR
Dipotassium hydrogen orthophosphate; Dipotassium phosphate; sec.-Potassium phosphate
Product Code. |
02161 |
Grade |
|
Purity |
99% |
CAS No. |
7758-11-4 |
Molecular Formula |
K2HPO4 |
Molecular Weight |
174.18 |
H.S.Code |
2835.24000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
8.8 |
Melting point/ Freezing point [°C] |
>465°C |
Decomposition point [°C] |
>465°C |
| Density [g/cm3] |
2.338 |
Solubility in water [% weight] |
1600 g/l (20°C) |
Packaging
Specification
| Appearance | White hygroscopic crystalline powder |
| Assay | Min 99% |
| pH (5% solution in water; 25°C) | 8.7 - 9.6 |
| Chloride (Cl) | Max 0.003% |
| Heavy metal (as Pb) | Max 0.0005% |
| Insoluble matter | Max 0.01% |
| Iron (Fe) | Max 0.001% |
| Loss on drying (at 105°C) | Max 1% |
| Nitrogen compounds (as N) | Max 0.001% |
| Sodium (Na) | Max 0.5% |
| Sulphate (SO4) | Max 0.005% |
Safety Information and Hazard Symbols