Sodium Metabisulphite

Sodium Metabisulfite also know as Sodium Metabisulfite or Sodium Pyrosulfite or SMBS is a white / slightly yellowish powder with a strong SO2 odor, a specific gravity of 1.4, soluble in water, and the aqueous solution is acidic. When it is in contact with a strong acid, it releases SO2 to form a corresponding salt. When it is left in the air, it oxidizes. It is Na2S2O5, so the product cannot be stored for a long time. Above 150 degrees Celsius, SO2 is decomposed.

Sodium Metabilsuphite is a kind of sodium salt which is used as a preservative, anti-oxidant, excipient in different fields.

1. Bleach agent : Candies, Cake, Bamboo Shoots,etc
 

2. Loose agent: Bread, Cracker, etc

3. Antiseptic and germicide : Fruit juice, Tinned food, Brews, etc

4. Inhibitor and freshen agent: Day lily, seafood, fruit and vegetable,etc

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