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  3. Sodium Metabisulfite

Sodium Metabisulfite

  • 1 Kg



Buy Sodium Metabisulfite Food Grade | Melbourne, Victoria

Molecular Formula : Na2S2O5
CAS No. : 7681-57-4
Molecular Weight : 190.11 g/mol
Boiling Point : Decomposes
Melting Point : > 150 °C Decomposes without melting
Flash Point : Not applicable
Vapor Pressure : Not applicable
Vapor Density : Not applicable
Auto ignition temperature : Not applicable
Explosive limits : Not applicable
Solubility in water : 65.3 g/100 mL (20 °C)
Density : 1.48 g/cm3
Appearance : Colourless granules
Odor : Faint odor of SO2


  1. Sodium Metabisulphite
  2. Disodium Pyrosulfite
  3. Sodium Pyrosulfite
  4. Sodium disulfite
  5. Disodium metabisulfite

What are the uses of Sodium Metabisulfite?

Food and Beverage

Sodium Metabisulphite is used as a reducing agent to make dough flexible. It is also helps to modify the gluten characteristic to produce biscuit, crackers and snacks. Additionally, it is used for preserving foods and beverages, anti-oxidants, bleach and leavening agent.


It is used to increase the anaesthetics shelf life.


This compound is used in personal care products such as shampoos. In Pharmaceutical it is used as intermediate for manufacturing chloroform, styrene sulfone and benzaldehyde.It is also used antichlor to get rid of chlorine, contrast agent for photography and as a coagulants for rubber industry to dye.

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