Sodium Metabisulfite
Silvari Group provides sodium metabisulfite (sodium pyrosulfite) for industrial, water treatment, food processing, and chemical applications requiring reducing and dechlorinating functionality. Its reducing and antioxidant properties support applications requiring controlled chemical reactions and oxidation management.
Applications
Food Processing: Controls enzymatic browning, maintains color stability, and limits microbial activity during processing and storage of fruit-based and fermented products.
Water Treatment: Removes residual chlorine and chloramine, reduces dissolved oxygen in pipelines and boilers, and supports effluent treatment operations.
Mining & Metallurgy: Applied in cyanide detoxification circuits, flotation chemistry adjustment, and precious metal recovery workflows.
Textile & Leather Processing: Functions in bleaching baths, neutralization process, and dye-fixing operations.
Pulp & Paper Production: Utilized in bleaching sequences and as a reducing component in chemical pulping stages.
Pharmaceutical Formulations: Protects oxidation-sensitive active ingredients in liquid and sterile preparations.
Photography: Serves as a preservative component in developer systems and processing baths.
Features
- Strong reducing and antioxidant agent
- Effective dechlorinating agent
- High solubility in water
- Antimicrobial and preservative function
Available Product Types
- Food Grade: Suitable for food and beverage applications subject to applicable food additive specifications and grade requirements.
- Industrial Grade: Used in water treatment, textile processing, and pulp and paper manufacturing due to its effective dechlorination and reduction processes.
- Technical Grade: Used in mining operations, flotation systems, and industrial chemical processing where reducing functionality and sulfur dioxide release characteristics are required.
- Pharmaceutical Grade: Used in selected pharmaceutical and formulation applications involving oxidation-sensitive ingredients.
- Reagent Grade: Used in laboratories and for analytical use with its high assay values and minimal trace contaminants, it is suitable for controlled experimental conditions.
Technical Identification
- CAS number: 7681-57-4
- EC number: 231-673-0
Regulatory Status
Sodium metabisulfite offered by Silvari Group is made available in accordance with applicable European and international regulatory frameworks, depending on the grade and intended application. Regulatory alignment depends on the selected grade, specification, and intended application. Product documentation, including technical specifications and Safety Data Sheets (SDS), is provided as part of the technical and commercial evaluation process, in alignment with application requirements. Sodium metabisulfite offered through Silvari Group provides consistent reducing strength, high purity, and reliable stability across its grades. Its performance in oxidation control, dechlorination, and industrial reactions makes it a dependable choice for applications in food processing, water treatment, chemical manufacturing, and laboratory operations. With Silvari Group, you can access products that combine consistent quality with the technical support and industry insight needed for informed selection in each specific application.
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