7681-57-4
Na2s2o5
231-673-0
Yes
White
Detergent
Powder
Textile Printing Auxiliary, Dying Auxiliary, Water Treatment
Bag
China
2832100000
Product Description
Sodium Metabisulphite for water treatment SMBS
Product Description:
![]() | Product Name | Sodium Metabisulfite |
Purity | 97%min | |
Grade | Food /Industrial grade | |
MF | Na2S2O5 | |
HS Code | 2832100000 |
Packing & Delivery:
Packing: 25kg pp bag or 1000kg jumbo bag
Delivery: 10-15days after received your prepayment or original LC

Specification
Item | Food Grade | Industrial grade |
Purity ( As Na2S2O5)% | 98 min | 97 min |
Sulfur Dioxide( SO2)% | 65.0min | 65.0min |
Arssnic (As)% | 0.0002max | -- |
Heavy Metals (As Pb)% | 0.0005max | -- |
(As Se)% | 0.0005max | -- |
Iron (As Fe)% | 0.001max | 0.002max |
Water Insoluble% | 0.02max | 0.05max |
PH Value | 4.0-4.8 | 4.0-4.8 |
Application:
It is used as preservative, bleach and loose agent in food processing.
The perfume industry is used for the production of vanillin.
Organic intermediates, dyestuffs and tanning are used as reducing agents.
It is used as electroplating industry, waste water treatment in Oilfield and mineral dressing agent used in mines.
It is used as bleaching agent mordant, reducing agent, rubber coagulant, and also used in organic synthesis pharmaceuticals and spices.
Storage & Transportation:
Stored in a dry and ventilating warehouse. Keeping away from moisture and hot; unloaded with care. Stored separately from poisonous substances.
1.Service:stable quality and fast delivery is always our target .
2.Price:the reason why we recommend is that we could meet all kinds requirement with stable and guaranteed quality .
3.Transport:we could customise the best way to shipping your goods to save your cost ,whatever it is sea transportation or railway transportation