Introduction: Welcome to Kolkata Chemical, your reliable supplier, manufacturer, and distributor of sodium metabisulfite in India. With our commitment to quality, customer satisfaction, and extensive industry experience, we have established ourselves as a leading provider of sodium metabisulfite. CAS NO: 7681-57-4 Formula: Na2S2O5 Product Description: Sodium metabisulfite, also known as sodium pyrosulfite, is a […]