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Basic Info.
Product Description
High Quality Sodium Metabisulfite Na2S2O5 powder, sodium metabisulphite
Sodium Metabisulfite
Sodium metabisulphite water treatment
SMBS Sodium Metabisulfite
Sodium metabisulfite 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.
Product Information
CAS RN.: | 7681-57-4 |
EINECS: | 231-673-0 |
H.S.CODE: | 2832.1000.00 |
Chemical Analysis
Component | Industrial Grade | Food Grade | High Purity Grade |
Appearance | White or yellowish crystalline powder | ||
Assay(Na2S2O5 ) | 96.5%min | 97%min | 98%min |
water insoluble matter | 0.05%max | 0.03%max | 0.02%max |
Iron content(Fe) | 0.005%max | 0.003%max | 0.002%max |
Arsenic content(As) | 0.0001%max | 0.0001%max | 0.0001%max |
Pb | 0.0005%max | 0.0005%max | 0.0003%max |
Industrial Uses | |
Water Treatment | Eliminating dissolved oxygen in waste water and in pipes;Cleaning water pipes and reverse osmosis membranes in desalinization equipment as it is an antibacterial.It is used in water treatment plants to remove excess chlorine. |
Bleaching Agent | It functions as a bleaching agent, which is useful in making paper pulp, cotton and wool. |
Food Preservative | |
Antimicrobial | It is commonly used as a food preservative for dried foods, as well as fruit concentrate juices. It acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe. |
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 | It is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals. |
Photographic and film industry | For preparing developer solutions, for acidifying fixing baths(photo grade). |
Landscape Gardening | It used in landscape gardening as a tree stump remover, as it disintegrates the lignin |
Fiber Industry | In the sulphitisation of tanning extract. |
Gold mining | For bleaching ground wood, as an antichlor. |
Transportation Information:
DOT Classification: | Non-dangerous goods |
U.N. | N/A |
Packing Group: | N/A |
Pre-sale Service
1.We have full stock, and can deliver within short time.Many styles for your choices.
2.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
3.All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
After-sale Service
1.We are very glad that customer give us some suggestion for price and products.
2.If any question, please contact with us freely by E-mail or Telephone.
CHOICE CHEMICALS LTD. has set up an independent technology R&D center, with suitable production equipment. In addition, it has taken a leading position in the industry in regard to environmental protection facilities, resource conservation and clean production. Its product quality is high, stable and reaches an internationally advanced level.
ChoiceChem also has the ability to independently import and export and has obtained (ISO 9001:2016) international quality management system certification, KOSHER Jewish certification, HALAL Islamic Certification, food additive production licensing, etc. In addition, it has established a product sales network that covers the entire country, and the products have been exported to Africa, America, Europe, Southeast Asia and other regions. 
Q: How long can you offer the samples?
A: 1~7 days after the deposit payment is confirmed.
Q: What's your payment terms for sample?
A: You can pay via T/T, L/C, Paypal, Alibaba Trade assurance and so on.
Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: why we choose you-- CHOICE CHEMICALS LTD.?
A :
(1) we can provide Professional Service, High-quality products
(2) we have Reliable service team, R&D team
(3) we have competitive and reliable price of the products
Q: What other products do you supply?
A: we not only provide the products you just viewed, but also Fertilizers, Pesticides, Additives and Industrial Chemicals. (such as Sodium Metabisulfite, Sodium Sulfite, Sodium Bisulfite, Magnesium Sulfate, Potassium Sulfate, Potassium Nitrate, Calcium Ammonium Nitrate, Calcium Nitrate, NPK, MAP, MKP, DAP, Geraniol, Water Treatment Agent, Piperonyl Butoxide, Methyl Nonyl Ketone, Cypermethrin, Cyfluthrin, Lambda-Cyhalothrin, D-Phenothrin, Esbiothrin, Tetramethrin, Permethrin, Bifenthrin, etc.)
If you have any other questions , please feel free to contact with us^.^