Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 214 °C | Solubility in water [% weight] | Insoluble in water |
Colour | White crystalline | Density [g/cm3] | 2.42 |
pH value | >7 |
Appearance | White, light, amorphous powder |
Assay (as Al2O3) | 47.0 – 60.0% |
Identification | Passes IP test |
pH (4% w/v solution in water) | Max 10.0 |
Arsenic (As) | Max 0.0005% |
Heavy metal | Max 0.006% |
Chloride (Cl) | Max 1.25% |
Sulphate (SO4) | Max 1.2% |
Neutralising capacity | Passes IP test |
Microbial contamination | Free from E.Coli |