» Sodium Metabisulfite
metabisulfite, also called Sodium Pyrosulfite or Disodium, is an inorganic
compound composed of sodium, sulfur and oxygen. Its chemical formula is
Na2S2O5. It typically comes in a white or yellowish-white crystalline
powder. It easily dissolves in water. The substance is sometimes referred to
as disodium (metabisulphite). It is used as a disinfectant,antioxidant and preservative agent.
chemical properties of Sodium Metabisulfite or sodium pyrosulfite make it a
versatile compound useful in many applications. It can eliminate dissolved
oxygen in waste water and in pipes. It functions as a bleaching agent, which
is useful in making paper pulp, cotton and wool. It is used in water
treatment plants to remove excess chlorine. In beer and wine manufacturing,
Sodium Metabisulfite or sodium pyrosulfite checmicals are often used to
sterilize the equipment.
metabisulphite or sodium pyrosulfite is used as a food preservative. It is
commonly used as a food preservative for dried foods, like potato chips,
raisins and apples, as well as fruit concentrate juices. It acts as an
antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping
food fresh and safe.
metabisulphite is an antioxidant additive in injectable medicines and is also
used as a reducing agent in pharmaceuticals.
Sodium Metabisulfite as a Cleaner
metabisulphite is also present in wines and beers, as it is used as both a
sterilizer and an antioxidant in the process of brewing beer or fermenting
wine. The chemical is also used in the process of purifying water, cleaning
water pipes and reverse osmosis membranes in desalinization equipment as it
is an antibacterial.
Sodium Metabisulfite in Other Uses
Metabisulfite's acidic and preservative properties also make it an effective
substitute for sodium bisulfite, a chemical which is used in traditional
Also, Sodium Metabisulfite is used as a bleaching agent in pulp and textile
manufacture, as well as a reducing agent in pharmaceuticals. It is also a
known preservative in cosmetics.
The chemical, in concentrated form, has also been used in landscape
gardening as a tree stump remover, as it disintegrates the lignin --
chemicals in plant cell walls -- in the tree stumps, making them easier to