Discover Na2s2o5 Sodium Metabisulfite Powder, a versatile inorganic compound with a chemical formula of Na2S2O5. This white crystalline powder, available in 100-120 mesh, is highly soluble in water and alcohol. Widely used in food preservation, photography, and industrial applications, it acts as an effective preservative and antioxidant. Learn about its key features, technical specifications, and applications in this informative video.