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SODIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS For HPLC Sodium phosphate monobasic anhydrous
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Description
| Article No. | 5859B | Grade | For HPLC |
| Purity | 99% | CAS No. | 7558-80-7 |
| Molecular Formula | NaH2PO4 | Molecular Weight | 120 |
| H.S. Code | 2835.2200 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| Odour | Odorless | pH value | 4.1 – 4.5 at 50 g/l at 25 °C | ||||
| Melting point/ Freezing point [°C] | 212°C | Boiling point [°C] | 399 °C | ||||
| Density [g/cm3] | 2.04 | Solubility in water [% weight] | Soluble in water | ||||
Specifications
| Appearance | White crystalline powder | Assay | Min 99% |
| RP gradient test | Corresponds to standard | Filter test | Corresponds to standard |
| Solubility (0.1 g/mL in water; 25°C) | Complete, colorless | pH (10% solution in water; 20°C) | 4.0-4.5 |
| Absorption (0.5 M solution in water) | at 210 nm | Max 0.1 | |
| at 260 nm | Max 0.06 | at 280 nm | Max 0.04 |
| at 320 nm | Max 0.02 | at 500 nm | Max 0.02 |
Revision Date:Â 06-Apr-2021
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