| M Formula: | K2Al2O4•3H2O |
| Properties: | |
| Hard crystals, lustrous. Soluble in water with hydrolysis to form strongly alkaline solution; insoluble in alcohol. | |
| Derivation: | |
| By fusing potassium hydroxide with aluminum oxide. | |
| Grade: | |
| Technical. | |
| Use: | |
| Dyeing, printing (mordant); lakes, paper sizing. | |