Sodium metabisulphite









Sodium metabisulphite

Sodium metabisulphite

Sodium metabisulphite

It is also known as disulfide anaerobic acid.

 Molecular formula: Na2S2O5

Molecular weight: 190.12

Finished products are white or slightly yellow crystalline powder. Wet with a strong SO2 odor, no other odor after drying, specific gravity is 1.4, soluble in water and glycerol, the solubility increases with increasing temperature, the product slightly soluble in alcohol.

Sodium metabisulphite is widely used in food industry, leather, fabric and organic bleaching, printing and dyeing mordant, food preservation, brewing and beverage sterilization preservatives. Organic synthesis (manufacture of lactam) as rubber with reducing agent, rubber coagulant and spices.

Product exposed to the air can easily be oxidized, and continue to release the sulfur dioxide gas and finally make the product into sodium sulfate, so the product is not easy for a long time, not easy to open storage, not damp, the product heated to more than 150 degrees is released from sulfur dioxide Gas, it can not be with gasoline acid and oxidants and other flammable products mixed and mixed transport, packaging is a net weight of 25 kg kraft paper bags.


We can also supply Sodium bisulphite.


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