(1) Food Grade: Sodium Metabisulfite is a versatile additive used as a bleaching agent for candies, cakes, and bamboo shoots, a leavening agent in breads and crackers, and as a potent antiseptic and germicide for fruit juices, canned foods, and brewed cereals. It also functions as a freshness enhancer for day lilies, seafood, fruits, and vegetables.
(2) Industry Grade: This chemical serves crucial roles in industry as a mordant for printing and dyeing, dechlorinating textiles post-bleaching, and as a sulfonating agent and reducing agent in chemical and pharmaceutical industries. It is employed for bleaching paper pulp, bamboo, and timber, treating wastewater, and as a rubber solidifying agent. In the perfume industry, it acts as a hydrocarbon perfume aldehyde, while in hide processing, it aids in dehairing and makes the hide more pliable and wear-resistant, also assisting in sewage treatment.
(3) Pharmaceutical Grade: In the pharmaceutical domain, it plays a role in chemical synthesis, notably in the production of acrylic fibers and vital vitamins like vitamin K and vitamin A, as well as in creating pharmaceutical intermediates.
(4) Photo Grade: For the photographic industry, it is used as a developing agent reductant and for safeguarding the fixing bath chemicals. Storage: Ensure to store this product in a dry, cool environment to maintain its efficacy.




item | value |
Classification | Sulphate |
Type | Sodium Metabisulfite |
CAS No. | 7681-57-4 |
Other Names | Sodium Metabisulfite |
MF | Na2S2O5 |
EINECS No. | 231-673-0 |
Place of Origin | China |
Grade Standard | Food Grade, Industrial Grade |
Purity | 98% |
Appearance | White Free Flowing Fine Crystal or Powder |
Application | bleaching agent |
Brand Name | sc |
Model Number | sc- Sodium Metabisulfite |
Molecule Weight | 190.12 |
Melting point | >170 °C |
Water soluble | (54 g/100 ml) |
Dense degree of | 1.48 g/cm3 |

Our product is meticulously packaged in robust 25kg bags, ensuring unparalleled protection and ease of transport. A standard 20ft container can expertly accommodate up to 27 tons, making it the quintessential choice for large-scale distribution ventures.




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catalyst,Functional additive,Inorganic raw material,additive,Pigment dye
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