Sodium Metasilicate Pentahydrate is a white crystalline powder or granule with strong alkalinity. It is widely used in various industrial applications due to its excellent cleaning, and buffering properties. The compound is highly soluble in water and serves as a key ingredient in detergents, ceramics, textiles, and water treatment processes.
• CAS Number: 10213-79-3
• Molecular Formula: Na₂SiO₃·5H₂O
• Molecular Weight: 212.14 g/mol
• Appearance: White granules
• Sodium Oxide (Na₂O): 28.0–30.0%
• Silica (SiO₂): 27.0–29.0%
• Water Insoluble Matter: ≤0.2%
• Iron (Fe): ≤200 ppm
• Whiteness: ≥80%
• Bulk Density: 0.80–0.97 g/cm³
• pH (1% Solution): 12–13
• Particle Size: 40-100 mesh