sell:sodium metabisulfite ;sodium pyrosulfite.CAS: 7681-57-4 ([email protected])

Product name: sodium metabisulfite ; sodium pyrosulfite
CAS NO: 7681-57-4
Molecular Formula: Na2S2O5
Molecular Weight: 190.10
Appearance: White or light yellow crystalline powder
Purity: 97.5%
Packing : Plastic woven bag lined with plastic bag, net weight 25kg
Loading capacity of 20GP: 25MT
Hazardous Grade: Not a DOT controlled material
Place of origin: Hubei Province, China
annual output: 6000MT
Delivery Port: Yangsi Port, Wuhan City or China Main port
Production standard
Item Index
Content (as Na2S2O5) ≥ 97.5
Iron(as Fe) % ≤ 0.001
Clarify degree clearly
Heavy metals(as Pb) % ≤0.0005
Arsenic(as As) % ≤ 0.0001
Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining.
Applications:
Bleach agent (e.g.candies, cake, bamboo shoots, etc);
Loose agent (e.g.bread, cracker etc);
Antiseptic and germicide (e.g.fruit juice, tinned food, brews, the cereals food is defended storage etc);
Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)
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