Sodium metabisulfite CAS 7681-57-4
Vanillin CAS 121-33-5
1 4 月, 2021Zinc oxide CAS 1314-13-2
24 2 月, 2021Sodium metabisulfite CAS 7681-57-4
Sodium metabisulfite Properties
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Item
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Specification
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Main Content (as Na2S2O5)
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97% Min
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Sodium Metabisulfite (as SO2)
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65% Min
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Iron (Fe)
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0.003% Max
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Insoluble matter in water
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0.05% Max
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PH
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4.0-4.6
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Heavy metal (as Pb)
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0.0005% Max
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Arsenic (As)
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0.0001% Max
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Item
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Specs
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Main Content (as Na2S2O5)
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96.5% Min
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Sodium Metabisulfite (as SO2)
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65% Min
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Iron (Fe)
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0.005% Max
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Insoluble matter in water
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0.05% Max
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PH
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4.0-4.6
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Sodium metabisulfite Application
It can be used as bleaching agents (such as candy, cakes, etc.).
It can be used as loosening agents (such as bread, biscuits, etc.).
It can be used as antiseptics (such as juice, can, brewing beer, grain, etc.).
It can be used as antioxidant preservatives (such as bamboo shoots, seafood, fruits and vegetables, etc.).
Used in leather treatment, it can make the leather soft, tough, increase the waterproof, anti-fold and wear-resistance of the leather.
Used as an ore-dressing agent for mines.
Used in water treatment industry. Eliminate excess oxygen in wastewater and pipelines; Clean water pipes in desalination plants because it is an antimicrobial agent.
Used in the pharmaceutical industry as an antioxidant additive in injectable drugs and as a reducing agent in medicine.
Used in the printing and dyeing industry as a bleaching agent in the manufacture of pulp, cotton and wool, etc.
Sodium metabisulfite Chemical properties
White or slightly yellow crystalline powder. It is soluble in water, and the aqueous solution is acidic. It is soluble in glycerin and slightly soluble in ethanol.
Sodium metabisulfite Packaging and Shipping
Packaging:Packing: Net each in 25kg or 1000kg plastic woven bag, lined with PE bag.
Shipping:It can be according to the customer’s request
Sodium metabisulfite Storage
Room temperature