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AMMONIUM DIHYDROGEN PHOSPHATE HPLC Ammonium Phosphate Monobasic,Ammonium Acid Phosphate
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Description
| Article No. | 01167 | Grade | HPLC |
| Purity | 99% | CAS No. | 7722-76-1 |
| Molecular Formula | NH4H2PO4 | Molecular Weight | 115.03 |
| H.S. Code | 2835.2990 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| Odour | odourless | pH value | 3.8 – 4.4 at 50 g/l at 25 °C | ||||
| Melting point/ Freezing point [°C] | 190 °C | Density [g/cm3] | 1.8 | ||||
| Solubility in water [% weight] | Soluble in water | ||||||
Specifications
| Appearance | White crystalline powder | Assay (acidimetric) | Min 99% |
| Filter test | Correspons to standard | RP gradient test | Correspons to standard |
| Solubility (0.1 g/mL in water; 20°C) | Complete, Colorless | pH (10% solution in water; 20°C) | 4 – 5 |
| UV absorbance (10% solution in water) at: | at 210 nm | Max 0.05 | |
| at 220 nm | Max 0.04 | at 230 nm | Max 0.03 |
| at 240 nm | Max 0.02 | at 500 nm | Max 0.02 |
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