Sodium metabisulfite (Na₂S₂O₅) is a white, crystalline powder with a pungent sulfur odor, commonly used as a disinfectant, antioxidant, and preservative agent.
In the food industry, it helps to preserve color and inhibit the growth of microorganisms in products such as dried fruits, vegetables, and wines. In winemaking, it acts as an antimicrobial and antioxidant, preventing spoilage and oxidation. Additionally, sodium metabisulfite is utilized in various industrial applications, including water treatment, textile processing, and as a reducing agent in chemical synthesis. Its versatility makes it an important chemical in both food preservation and industrial processes.
What is Sodium Metabisulfite used for?
Sodium metabisulphite (Na2S2O5) is a multi-functional chemical compound utilized in numerous sectors for its antioxidant, reducing agent, and preservative properties. Its value in the food and beverage industry lies in its capacity to hinder the growth of bacteria, yeasts, and molds, thus aiding in extending the shelf life of products. Sodium metabisulfite is commonly utilized in winemaking to prevent oxidation and preserve the freshness of wine. Sodium metabisulfite is used in photography for its development and fixing properties to produce top-notch photos, as well as in the preservation of dried fruits to retain their flavor and color.
It is used in purification processes to remove chlorine and other impurities, and it acts as a successful dechlorinator. In addition, sodium metabisulphite acts as a reagent in various chemical reactions, for example, in the formation of organic compounds. Although sodium metabisulfite is considered safe when used correctly, it can cause allergic reactions in some people, especially those with asthma. Therefore, it is very important to properly handle and label items to ensure their safety.
Specifications:
Product Name | Sodium Metabisulfite |
Appearance | White crystalline powder |
Assay | 98% |
Density | 1.48 g/cm³ |
Molecular Formula | Na2S2O5 |
Molecular Weight | 190.11 g/mol |
Minimum Order Quantity | 500 kg |
Features:
- High purity and effectiveness
- Acts as a preservative and antioxidant
- Soluble in water for easy application
- White crystalline powder with stable properties
- Reduces oxidation and microbial growth
Applications:
- Preservatives in food and beverage production
- Antioxidants in winemaking and dried fruit processing
- Developer and fixer in photography
- Dechlorinating agents in water treatment
- Reagent in various chemical syntheses