540g/L Healthy Food Additives Sodium Metabisulfite CAS 7681-57-4 Sodium Pyrosulfite

Basic Information
Place of Origin: CHINA
Brand Name: MOSINTER
Certification: COA
Model Number: Healthy Food Additives-5
Minimum Order Quantity: 25KG
Price: negotiation
Packaging Details: Aluminum foil bag, fiber can, kraft paper bag
Delivery Time: within 7 days
Payment Terms: T/T, Western Union
Supply Ability: 200-300MT/month
Detail Information
Name: Sodium Metabisulfite CAS: 7681-57-4
Form: Powder Grade: Food Grade
Application: Food Addtive Packaging: Drum
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Product Description

Sodium Metabisulfite CAS 7681-57-4 Sodium pyrosulfite,Healthy Food Additives




Sodium Metabisulfite is a white or yellowish crystalline powder. Soluble in water, aqueous solution is acidic. Soluble in glycerol, slightly soluble in ethanol.

sodium metabisulphite or sodium pyrosulphite is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium (metabisulfite). It is used as a disinfectant, antioxidant and preservativeagent.



1) Melting point is 150 ° C
2) The density of 1.48
3) Store condition Store at RT.
4) Solubility 540 g/L (20°C)
5) The proportion of 1.48




Item Index
Appearance White crystals
Main content (Na2S2O5) %≥ 96.5
Fe %≤ 0.003
Clarity Pass test
Heavy metal (Pb) %≤ 0.0005
As %≤ 0.0001



1) in the pulp and paper industry, in the photographic industry and in the various other industries as a bleach or dechlorinator.
2) Food Grade sodium metabisulfite may be used as a food preservative. It is also commonly added to various food products and wines as a preservative.
3) Sodium metabisulfite can also be used in the manufacture of other chemicals, Used in production of cleaning agents, detergents, and soaps.
4) It also acts as a corrosion inhibitor in oil and gas industry, as a bleaching agent in the production of coconut cream, as the source of sulfur dioxide and in the destruction of cyanide in commercial gold cyanidation processes.



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