sodium metabisulfite ;sodium pyrosulfite.CAS: 7681-57-4
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
Placeoforigin: HubeiProvince,China
annual output: 6000MT
DeliveryPort: YangsiPort, 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,avoidmoisture 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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