POTASSIUM HYDROGEN PHTHALATE EXTRA PURE
POTASSIUM HYDROGEN PHTHALATE EXTRA PURE
| Article No. | 541508 |
| Grade | Extra pure |
| Purity | 99 % |
| CAS No. | 877-24-7 |
| Molecular Formula | C8H5KO4 |
| Molecular Weight | 204.22 |
| H.S. Code | 2917.3990 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 3.8 – 4.0 (5% aq. sol.) |
| Melting point/Freezing point | 295 – 300 °C |
| Density | 1.64 g/cm³ |
Specifications
| Appearance | White or almost white Solid |
| Density | 1.571 g/ml |
| pH | At 25°C, 4.0 |
| Melting point | 295-300°C |
| Assay | 98.5-99.5% |
| Sulphate | ≤ 0.005% |
| Heavy metals | ≤ 0.0005% |
| Packings | 500 gm |
