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Sodium Metabisulfite- Industrial/Technical Grade

Sodium Metabisulfite
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Sodium Metabisulfite is a white to slightly yellowish crystalline powder with sulfur dioxide odor; readily soluble in water. It is an inorganic compound composed of sodium, sulfur and oxygen and also known as Sodium Pyrosulfite or Disodium. Its chemical formula is Na2S2O5.


Industrial/Technical Grade

Sodium Metabisulfite is widely used in various industries.
Many chemical properties of Sodium Metabisulfite or sodium pyrosulfite make it a versatile compound useful in many applications. Bisulfites are used in industries concerned with leather processing, food and beverage processing, gas purification, water treatment  to remove excess chlorine, textiles and pulp processing, and many others.

Sodium Metabisulfite
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a) Leather Processing Industries (SMBS) : Sodium Metabisulfite is used as leather processing chemical during the deliming process and helps to prevent formation of toxiz hydrogen sulphide gas during deliming. It also acts a bleaching agent. It makes leather soft, well-developed, tough waterproof, anti-break, wear-ability and etc.






Water treatment chemical
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b) Water Treatment Chemical : Sodium Metabisulfite plays an important part in the treatment of water, wastewater and waste as a strong reducing agent. Sodium Metabisulfite also assists in the dechlorination of drinking water as well as in the chlorine removal in waste waters. Another treatment method that utilizes Sodium Metabisulfite's effectiveness is in the reduction of chromium.
Small water treatment plants use sodium bisulfite to remove chlorine from the waste-water discharged back into lakes and rivers.




Dye Industry
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c) Dye Industry : used as dechlorination agent and cotton boiling-off agent for bleached cotton.









Photographic industry
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d) Photographic Industry :
Sodium Metabisulfite's acidic and preservative properties also make it an effective substitute for sodium bisulfite, a chemical which is used in traditional darkroom photography.







Sodium Metabisulfite
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e) Rubber Industry : In rubber industry, it is used as coagulative agent.









Acrylic Sheets
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f) Acrylic Sheets : It is used in manufacturing of Acrylic Sheets.








Water pipes
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g) Water Pipes : 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. It is usually added to large piping systems to prevent oxidative corrosion.






Sodium Metabisulfite
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h) Pharmaceutical Industries : Sodium Metabisulfite is an antioxidant additive in injectable medicines and is lso used as a reducing agent in pharmaceuticals.







Chemical Industries
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i) Chemical Industries : It is a common reducing agent in chemical industries. Also, Sodium Metabisulfite is used as a bleaching agent in pulp and textile manufacture. 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 remove.






j ) Wine & Beer Industry :

Wine grade
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It 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. Sodium metabisulphite is available in wine-making stores to sterilize and preserve homemade wine. A small amount added to the pressed juice will kill any alcohol-resistant mold that is on the fruit. It is used in almost all commercial wines, to prevent oxidation and preserve flavor. In fruit canning, sodium bisulfite is used to prevent browning (caused by oxidation) and to kill microbes.

Application:Desaliation

Categories:ETP Treatment Chemical

Food Grade

It acts as a food Preservative

Sodium Metabisulfite is used as food processing chemical to preserve color and inhibit bacterial growth on fruits and vegetables, some seafood and in wine..

It can preserve many of the qualities of fruits and vegetables, including the color, taste and nutritional value. It is a common ingredient used in the canning process; the Sodium Metabisulfite protects the fruits and vegetables from oxidizing and changing color.

It is used as a food preservative. It is commonly used as a food preservative for dried foods, biscuits, 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.

It acts as a bleaching agent (Sweets , pastry, water-soaked bamboo slices, etc.; It also acts as loosening agent (breads, biscuits, etc.); antioxygen antistaling agent (acupuncture needle sprout, sea food, garden stuff, etc.)

Sodium Metabisulfite -Food Grade
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Starch Industry

For starch industry, Sodium metabisulfite is added to the corn syrup as a preservative. It acts as a preservative agent.


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