Sodium bisulfite
Nº CAS: 7631-90-5
Packaging: Bulk, Big Bag 1000 kg, Bag 25 kg
Sodium bisulfite is a salt derived from the reaction of sulfurous acid with sodium hydroxide. It occurs as a white crystalline solid or in solution, and it is very soluble in water. It is a reducing agent and can release sulfur dioxide on reaction with acids.
Applications
Preservative & antioxidant in the food industry
Reducing agent in photo developing solutions
Water treatment to remove chlorine and other contaminants
Precipitating heavy metals from aqueous solutions in residential water treatment processes
Preserving flavors in winemaking