Sodium metabisulphite by Research Lab Fine Chem Industries is a high grade reagent. Also known as sodium pyrosulfite, this is an inorganic compound. The reagent is available as a white powder which is soluble in water. It has a melting point of 170 C. Sodium metabisulphite can be generated by evaporating a solution of sodium bisulphite saturated with sulfur dioxide. While it is stable under general conditions, this reagent is incompatible with strong oxidizing agents.

• CAS No.: 7681-57-4
• Quantity Provided: 5 kg per bottle
• Molecular formula: Na2S2O5
• Molecular weight: 190.10
• Assay: Minimum 97

Sodium metabisulphite has a variety of applications in chemical and biological sectors. This reagent finds applications in the organic synthesis of various derivative compounds. Sodium metabisulphite is used in the food industry as E223 where it functions as a preservative and antioxidant. It is furthermore used in homebrewing and winemaking to sanitize equipment. sodium metabisulphite in concentrated forms can be used to remove tree stumps. It is additionally used in photography, as a bleaching agent, as a corrosion inhibitor/oxygen scavenger etc. This reagent is suitable for industrial synthesis of products and research applications.