| Appearance | Yellowish or White Powder |
| State | Solid (at room temperature) |
| Odor | Odorless or Slightly Sulfurous |
| Density | 2.4 - 2.5 g/cm³ |
| Melting Point | 250°C - 300°C (decomposes at high temperatures) |
| Boiling Point | Decomposes before boiling |
| Solubility | Soluble in water, forms an alkaline solution |
| pH (1% Solution) | Alkaline (around 11-12) |
| Viscosity | N/A (Solid form) |
| Flash Point | Non-flammable |
| Storage Conditions | Store in a dry, cool place; keep away from acids and moisture |