Shipping Manufacture Sodium Metabisulfite 97% Price
Product Description: Supply CAS No. 7681-57-4 Sodium Metabisulfite for Industrial Grade
Sodium Metabisulfite
Sodium Metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant and preservative agent.
Product Informations:
CAS No. | 7681-57-4 |
EINECE | 231-673-0 |
HS CODE | 2832100000 |
MOLECULAR FORMULA | Na2S2O5 |
Specifications:
1) Food Grade
Items | Specifications | Typical Analysis |
Colour | / | White or yellowish | White |
State | / | Crystalline powder | Crystalline powder |
Na2S2O5 | (%) | 96.5 Min. | 97.1 |
Fe | (%) | 0.003 Max | 0.0021 |
Clarity | / | Passed | Passed |
As | (ppm) | 1.0 Max | 0.85 |
Heavy Metal(as Pb) | (ppm) | 5.0 Max | 0.04 |
2) Industrail Grade
Items | Specifications | Typical Analysis |
Na2S2O5 | (%) | 96.5 Min. | 96.83 |
Fe | (%) | 0.003 Max | 0.0006 |
As | (ppm) | 1.0 Max | 0.8 |
Heavy Metal(as Pb) | (ppm) | 5.0 Max | 2.0 |
Remarks:
1. Packing: plastic woven bag with PE liner.
2. Utilizes China National Standard GB1893-2008.
Packing :
25kg /50kg /1000kg plastic woven bag, or as per customer demanding.
Sodium Metabisulfite Applications:
1 | Used in wide range of industrial and municipal waste water treatment. |
2 | Used in pulp and paper making. |
3 | Used in mining industry. |
4 | Used in production of cleaning agents, detergents ans soaps. |
5 | Used in sterilizing the equipment in beer and wine manufacturing. |
6 | Used in water reducing agent for concrete admixture in construction industry. |
7 | Used in dye industry. |
8 | Used in oil field production and disinfection. |
9 | Used in removal of tree stumps in landscape gardening. |
10 | Used in water treatment in leather tanning process. |
11 | Used in food preservative for dried foods |

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