Property | Specification |
Chemical Name | Sodium Sulfite |
Chemical Formula | Na₂SO₃ |
Appearance | White crystalline powder |
Purity / Active Content | ≥ 98.5% |
Moisture | ≤ 0.5% |
pH (10% solution) | 7–10 |
Loss on Ignition | ≤ 0.5% |
Chloride (Cl⁻) | ≤ 0.05% |
Heavy Metals (as Pb) | ≤ 0.001% |
Packaging | 25 kg / 50 lb bags or as required |
Storage | Keep in a cool, dry, ventilated place, away from acids |
Na₂SO₃ is used as a reducing agent in water treatment to remove excess chlorine and prevent corrosion.
Na₂SO₃ serves as an antioxidant in the pulp and paper industry to protect wood fibers during processing.
Sodium Sulfite is applied in the chemical industry as an intermediate for producing dyes, chemicals, and photographic developers.
Sodium Sulfite functions as a preservative and stabilizer in food processing under regulatory compliance.
Na₂SO₃ is employed in textile and leather industries for bleaching and decolorizing processes.