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POTASSIUM PHOSPHATE DIBASIC ANHYDROUS For HPLC “Store at 15–25°C” Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate
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Description
| Article No. | 05428 | Grade | For HPLC |
| Purity | 99% | CAS No. | 7758-11-4 |
| Molecular Formula | K2HPO4 | Molecular Weight | 174.2 |
| H.S. Code | 2835.2400 | 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) | ||||
Specifications
| Appearance | White hygroscopic crystalline powder | Assay | Min 99% |
| Solubility (0.1 g/mL in water; 25°C) | Complete, colourless | pH (10% solution in water) | 8.5 – 9.6 |
| Loss on drying (at 105°C) | Max 1.0% | UV absorbance (10% in water) | – |
| at 230 nm | Max 0.15 | at 240 nm | Max 0.12 |
| at 250 nm | Max 0.11 | at 310 nm | Max 0.05 |
| at 500 nm | Max 0.02 |
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
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