ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE (AR)
ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE (AR)
| Article No | 503508 |
| Grade | AR |
| Purity | 99% |
| CAS No | 7784-26-1 |
| Molecular Formula | (NH4)Al(SO4)2·12H2O |
| Molecular Weight | 453.33 g/mol |
| H.S. Code | 28333010 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Color | White powder |
| Odor | Odorless |
| pH value | 2.6 |
| Melting point/ Freezing point [°C] | 93.5 °C |
| Boiling point [°C] | 280 °C |
| Density [g/cm³] | 1.65 |
| Solubility in water [% weight] | 14% in water |
Specifications
| Appearance | White crystalline powder |
| Assay | 99-102% |
| pH at 25 °C | 2.5-3.5 |
| Melting point [°C] | 90-95°C |
| Sodium (Na) Max | 0.005% |
| Chloride (Cl) Max | 0.002% |
| Iron (Fe) Max | 0.0005% |
| Copper (Cu) Max | 0.0005% |
| Packings | 500 gm |
