ALUM CHROME
ALUM CHROME
| Article No | 502208 |
| Grade | Extra Pure |
| Purity | 98.5% |
| CAS No | 7788-99-0 |
| Molecular Formula | KCr(SO₄)₂·12H₂O |
| Molecular Weight | 499.39 g/mol |
| H.S. Code | 2833.2990 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Color | Violet crystalline |
| Odor | Odorless |
| Melting point/ Freezing point [°C] | 89 °C |
| Density [g/cm³] | 1.826 |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | Violet crystalline powder |
| Assay (iodometric) | Min 98.5% |
| Chloride (Cl) | Max 0.03% |
| Ammonium (NH4) | Max 0.01% |
| Lead (Pb) | Max 0.01% |
| Iron (Fe) | Max 0.03% |
| Copper (Cu) | Max 0.005% |
| Packings | 500 gm |
