Min.Order / FOB Price:Get Latest Price
5 Metric Ton |
FOB Price: USD 300.0000 |
sodium metabisulfite in food metabisulphite na2so3
1.Rich export experience over 10years.
2.Has own factory
3.Familar with different country rules
4.Free sample can be provied before place
5.97%min
is mainly used as reduction agent. Furthermore, it is ideal for the bleaching of vegetable fibers and textile, for the production of solutions, which are used in the developing of photos and films as well as for the treatment of tanning agents in dyeing of textiles. ChoiceChem offers different sodium metabisulfite grades, all meeting highest quality standards.
CAS No.: |
7681-57-4 |
EINECS: |
231-673-0 |
H.S.CODE: |
2832.1000.00 |
1.Chemical Analysis
Component |
Range |
Typical |
Assay(Na2S2O5 ) |
96.0% min. |
97.%min |
Iron content(base on Fe) |
0.005% max. |
0.003% |
water insoluble matter |
0.05% max. |
0.05% |
Arsenic content(base on As) |
1 ppm max. |
1ppm |
Pb |
10 ppm max. |
5ppm |
Appearance |
White crystalline powder |
2.Application
Industrial Uses |
|
Water Treatment |
l Eliminating dissolved oxygen in waste water and in pipes;l Cleaning water pipes and reverse osmosis membranes in desalinization equipment as it is an antibacterial.l It is used in water treatment plants to remove excess chlorine. |
Bleaching Agent |
l It functions as a bleaching agent, which is useful in making paper pulp, cotton and wool. |
Food Preservative |
|
Antimicrobial |
l It is commonly used as a food preservative for dried foods, as well as fruit concentrate juices. l It acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe. |
l In beer and wine manufacturing, it is used as both a sterilizer and an antioxidant in the process of brewing beer or fermenting wine. |
Other Uses |
|
Medicinal |
l It is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals. |
Photographic and film industry |
l For preparing developer solutions, for acidifying fixing baths(photo grade). |
Landscape Gardening |
l It used in landscape gardening as a tree stump remover, as it disintegrates the lignin -- chemicals in plant cell walls -- in the tree stumps, making them easier to remove. |
Fiber Industry |
l In the sulphitisation of tanning extract. |
Gold mining |
l For bleaching ground wood, as an antichlor. |
3.Package:
1>25kg /50kg compound plastic woven bag with inner polythene liner;
2>1000kg Jumbo bags;
3>Any other particular requirements to the package can be discussed.
4.Shelf Life
half one year.
5.Storage & handling:
1>Store the product in a cool and dry place;
2>Prevent from direct sunlight,water and moisture;
3>Avoid contact with strong acid,oxidants or poisonous substances;
4>Exposure to moisture will make it oxidze easily to sodium sulphate;
5>Do not store it for long time.
6.Our own factory
7.Loading
It can be load 25-27mt without pallets
8.Delivery time
Usually within 2-3weeks after confirmed
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