Global - Premier Sodium Pyrosulfite: The Multipurpose Chemical Catalyst for Industrial Success
Major Application Fields
In the food industry, sodium pyrosulfite is a crucial ingredient. It serves as a powerful antioxidant and preservative. By inhibiting the oxidation of food components, it helps prevent spoilage, discoloration, and the loss of nutritional value. For instance, in winemaking, it safeguards the wine from oxidation, maintaining its flavor, aroma, and color over time. In dried fruits like apricots and raisins, it prevents mold growth and preserves their natural sweetness. Food manufacturers rely on our sodium pyrosulfite to extend the shelf - life of their products while ensuring they meet the highest quality standards.
The textile industry benefits significantly from our Global - Premier Sodium Pyrosulfite. It is used in various textile - processing steps, such as bleaching and dechlorination. In bleaching, it helps to remove excess chlorine from fabrics after the bleaching process, preventing fabric damage and ensuring a more even color. Additionally, it can be used to reduce the yellowing of fabrics over time. Textile mills use our sodium pyrosulfite to enhance the quality of their products, making them more appealing to consumers.
In the water treatment industry, sodium pyrosulfite plays a vital role. It is commonly used as a dechlorinating agent. When water is treated with chlorine for disinfection, residual chlorine can be harmful to aquatic life and industrial processes. Sodium pyrosulfite reacts with chlorine to neutralize it, converting it into harmless chloride ions. Municipal water treatment plants and industrial facilities rely on our product to ensure that the water they discharge or use in their processes is free from harmful chlorine residues.
In the leather industry, our sodium pyrosulfite is used in the tanning process. It helps to reduce metal ions in tanning solutions, which can improve the quality of the tanned leather. By adjusting the chemical environment of the tanning bath, it promotes better penetration of tanning agents into the leather, resulting in a more uniform and durable tanning effect. Leather manufacturers can produce higher - quality leather products, such as soft and supple leather for luxury goods, with the help of our sodium pyrosulfite.
Specifications
| Product Name | Sodium Pyrosulfite | |||||||||
| Chemical Formula | Na2S2O5 | |||||||||
| Molecular Weight | 190.10 g/mol | |||||||||
| Appearance | White crystalline powder | |||||||||
| Density | 1.48 g/cm³ | |||||||||
| CAS NO | 7681 - 57 - 4 | |||||||||
| HS Code | 28372000 | |||||||||
| EINECS NO | 231 - 673 - 0 | |||||||||
| Application | Used in food preservation, bleaching, antiseptic and chemical production | |||||||||
Quality Control Sheet
| Product Name | Sodium Pyrosulfite | ||||||
| ITEM | TEST VALUE(%) | ||||||
| Main content(Na2S2O5) | 97.2% | ||||||
| Fe %( Fe) | 0.0014% | ||||||
| Water-Insoluble | 0.01% | ||||||
| Arsenic(As) content | <0.0001 | ||||||
| pH | 4.63 | ||||||
In summary
Our Global - Premier Sodium Pyrosulfite is packaged in high - quality, moisture - resistant containers to prevent degradation during storage and transportation. Each batch undergoes rigorous quality control tests, including purity analysis, sulfur dioxide content determination, and performance evaluations. Whether you're a food producer in South America, a textile mill in Asia, a water treatment plant in Europe, or a leather tannery in Africa, our sodium pyrosulfite is the reliable and versatile solution you need. It offers unrivaled performance, ensuring that it meets and exceeds your specific industry requirements.








