HONGDA Sullpy Sodium Metabisulfite Food Grade Price 7681-57-4 Sodium Pyrosulfite
Apparance: White crystalline powder
Molecular Formula: Na2S2O5
CAS No.: 7681-57-4
Items Standard Analytical result
Na2S2O5 96.5%min 97.3%
Fe 0.003%max 0.0012%
Heavy metals(Pb) 0.0005%max <0.0005%
As 0.00001%max <0.0001%
Water insolubles 0.05% 0.002%
FunctionsIndustry Grade
1.Mordant:printing and dyeing industry
2.Bleaching Agent: waste water/textile/paper pulp/bamboo/timber
3.Rubber solidifying agent
4.Hydrocarbon perfume aldehyde: perfume industry
Food Grade
1.Bleaching agent (e.g. candies, cake, bamboo shoots)
2.Loosening agent (e.g. bread, cracker)
3.Antiseptic and germicide (e.g. fruit juice, tinned food brews, the cereals food)
4.Inhibitor and freshen agent (e.g. day lily, seafood, fruitand vegetable)
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