Sodium Metabisulfite

Introduction

Sodium Metabisulfite is an inorganic compound with the chemical formula Na2S2O5. It is known by other names such as Sodium Pyrosulfite and Sodium disulfite.

properties

Sodium metabisulfite is white – yellowish solid in colour. It possess faintly pungent smell. It is moderately soluble in water. The density is around 1.48 g/ml. It is highly soluble in glycerol. 

CAS number : 7681 – 57 – 4

Chemical Formula : Na2S2O5

Molecular Weight : 190.10 g/ml

Packaging : 25/50 kg bags, HDPE bags with polyliner inside

Storage : Tightly closed containers

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Uses and Applications

  •  Widely used in Food and Beverages’ preservation
  • Used as an excipient to medications related to Adrenaline. It prevents oxidation of Adrenaline.
  • Also used as an excipient in tablets such as paracetamol
  • Used in photography
  • Used in water treatment to quench chlorine residual
  • Used as bleaching agent in the production of coconut cream