Home > Pallav Chemicals > Inorganic Phosphates > Potassium Phosphate Dibasic Anhydrous 98% Extrapure
Potassium Phosphate Dibasic Anhydrous 98% Extrapure
Confirms to BP, USP
Dipotassium hydrogen orthophosphate, Dipotassium phosphate
Product Code. |
02160 |
Grade |
|
Purity |
98% |
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 (acidimetric; on anhydrous basis) | 98 - 100.5% |
| pH (10% solution in water) | 8.5 - 9.6 |
| Appearance of solution | Passes test |
| Insoluble matter in water | Max 0.2% |
| Carbonate | Passes test |
| Chloride (Cl) | Max 0.02% |
| Fluoride (F) | Max 0.001% |
| Sulphate (SO4) | Max 0.1% |
| Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
| Arsenic (As) | Max 0.0002% |
| Sodium (Na) | Max 0.5% |
| Potassium hydrogen phosphate (KH2PO4) | Max 3.0% |
| KMnO4 reducing matter (as O) | Max 0.04% |
| Loss on drying (at 130°C) | Max 1% |
Safety Information and Hazard Symbols