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Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. 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 preservative agent.
PURITY(AS Na2S2O5 ): 97.0%MIN
SULFUR DIOXIDE(SO2): 65.0%MIN
HEAVY METALS(As Pb): 0.0005%MAX
WATER INSOLUBLE: 0.05%MAX
PH VALUE: 4.0-4.8
Sodium Metabisulfite in Food Production
Sodium Metabisulfite is widely used as preservative, antioxidant, bleach, color fixative and leavening agent in food production.
As preservative, antioxidant, color fixative: in Canned mushrooms, candied, vermicelli to whiten products, keep fresh and extend shelf life.
As leavening agent: in biscuit, baked food and bread to ferment.
Sodium Metabisulfite in Beverage
Not enough is known about application of Sodium Metabisulfite in beverage.
Sodium Metabisulfite in Pharmaceutical
Sodium Metabisulfite is widely used as intermediate in Pharmaceutical.
As intermediate: in manufacturing of chloroform, styrene sulfone and benzaldehyde.
Sodium Metabisulfite in Cosmetics
Not enough is known about application of Sodium Metabisulfite in Cosmetics.
Sodium Metabisulfite in Agriculture/Animal Feed
Not enough is known about application of Sodium Metabisulfite in Agriculture/Animal Feed.
Sodium Metabisulfite in Other Industries
Sodium Metabisulfite is widely used as Antichlor, coagulants and contrast agent in various other industries.