Chemical Name | Potassium Alum / Potash Alum |
Molecular Formula | KAl(SO4)2·12H2O |
Appearance | Colorless or white crystalline solid |
Odor | Odorless |
Density | 1.76–1.87 g/cm³ |
Melting Point | 92–93°C |
Solubility | Soluble in water (approximately 10% at 20°C) |
pH (in water solution) | 3.5–4.5 |
Crystallization | Regular octahedral crystals |
Molar Mass | 474.39 g/mol |
Use | Water purification, cosmetics, and medicinal uses |