| Chemical Formula | Al(OH)3 |
| CAS No. | 21645-51-2 |
| Molecular weight of Al(OH)3 | 78.00 g/mol |
| Appearance | White amorphous powder |
| Density of Aluminium Hydroxide | 2.42 g/dm3 |
| Flashpoint of Aluminium Hydroxide | Non-Flammable |
| Melting Point of Aluminium Hydroxide | 300 °C |
| Boiling Point of Aluminium Hydroxide | 2980 °C |
| Water Solubility | Insoluble |
| TESTS | SPECIFICATIONS |
|---|---|
| Solubility | Practically insoluble in water. It dissolves in dilute mineral acids & in solution of alkali hydroxides. |
| Identification | It gives reaction of Aluminium |
| Alkaline Impurities | Any pink color disappears on the addition of 0.3 ml of 0.1 M Hydrochloric acid. |
| Neutralizing Capacity | After 10 Min. – pH NLT 1.8 After 15 Min. – pH NLT 2.3 After 20 Min. – pH NLT 3.0 NMT 35 ml of 0.1 M NaOH is required |
| Chloride | Not more than 1.0 % |
| Sulfate | Not more than 1.0 % |
| Arsenic | Not more than 4 ppm |
| Heavy metals | Not more than 60 ppm |
| Assay | Between 47.0 % to 60.0 % of Al2O3 |
| Microbial contamination | |
| TAMC | Not more than 1000 CFU/gm |
| TYMC | Not more than 100 CFU/gm |
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