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

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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