Description
Sodium Metabisulphite for Food, Industrial & Specialty Applications
Sodium Metabisulphite is a reliable chemical compound known for its preservative, antioxidant, reducing, bleaching, and dechlorination properties. It is commonly used across food processing, water treatment, textiles, photography, pulp & paper, chemical manufacturing, oil & gas, and various industrial applications.
This product is available in multiple grades to meet different application requirements. Pure Grade is suitable for regular industrial, food processing, pharmaceutical, water treatment, textile, and chemical applications. Extra Pure Grade is preferred for laboratory, analytical, pharmaceutical, and high-precision applications where purity and consistency are important. Food Grade is designed for selected food and beverage preservation uses, while Sodium Meta Bisulphite Solution is ideal for direct liquid dosing, easy handling, and quick process application.
Sodium Metabisulphite helps prevent oxidation, control microbial growth, extend product stability, remove chlorine, support bleaching processes, and improve overall process performance. Its strong reducing nature makes it a dependable chemical for both domestic and export requirements.
Available Grades
Sodium Metabisulphite Pure Grade
Sodium Metabisulphite Pure Grade is a white crystalline powder used in industrial, pharmaceutical, food processing, water treatment, textile, and chemical synthesis applications. It is valued for its purity, solubility, and reliable performance in oxidation control and bleaching processes.
Grade Details – Pure Grade
Appearance: White crystalline powder free from foreign particles
Assay as Sodium Metabisulphite (Na₂S₂O₅): Min. 96%
Assay as SO₂: Min. 65%
pH: 4.0 – 4.5
Solubility (10% Aq. Solution): Clear solution
Sodium Metabisulphite Extra Pure Grade
Sodium Metabisulphite Extra Pure Grade is a high-purity chemical suitable for laboratory, analytical, pharmaceutical, specialty chemical, and high-precision industrial applications. It is carefully processed to ensure minimum impurities, consistent quality, and dependable results in sensitive applications.
Grade Details – Extra Pure Grade
Appearance: White crystalline powder free from foreign particles
Assay as Sodium Metabisulphite (Na₂S₂O₅): Min. 97%
Assay as SO₂: Min. 65%
pH: 4.0 – 4.5
Solubility (10% Aq. Solution): Clear solution
Sodium Metabisulphite Food Grade
Sodium Metabisulphite Food Grade is used in food and beverage applications as a preservative and antioxidant. It helps prevent microbial growth, discoloration, oxidation, and spoilage in selected food products such as dried fruits, juices, pickles, wines, and similar applications while helping maintain product quality, taste, texture, and appearance.
Grade Details – Food Grade
Appearance: White crystalline powder free from foreign particles
Assay as Sodium Metabisulphite (Na₂S₂O₅): Min. 96%
Assay as SO₂: Min. 64%
pH: 4.0 – 4.5
Solubility (10% Aq. Solution): Clear & colorless solution
Sodium Meta Bisulphite Solution
Sodium Meta Bisulphite Solution is a liquid form designed for easy handling, quick mixing, and direct industrial application. It is used in water treatment, dechlorination, food preservation, textile processing, pulp & paper, photography, oil & gas, and other industrial processes where liquid dosing is preferred.
Grade Details – Solution Grade
Appearance: Clear to pale yellow solution
Assay as Na₂S₂O₅: 38–42%
SO₂ Content: Approx. 20–25% (w/w)
pH (5% Solution): 4.0 – 5.5
Specific Gravity (@25°C): 1.20 – 1.30
Odor: Pungent, sulfur dioxide-like
Solubility: Completely soluble in water
Iron (Fe): < 10 ppm
Heavy Metals as Pb: < 5 ppm
Applications
Food Preservation
Used as a preservative and antioxidant in selected food and beverage applications to help extend shelf life and maintain product quality.
Water Treatment
Works as a dechlorination agent and helps remove excess chlorine from water systems.
Textile Industry
Used as a bleaching and reducing agent to support textile processing and improve fabric treatment results.
Pulp & Paper Industry
Supports delignification and helps improve process efficiency in pulp and paper applications.
Photography & X-Ray Processing
Helps stabilize photographic chemicals and supports better development performance.
Chemical Synthesis
Used as a reducing agent in organic synthesis and specialty chemical processes.
Oil & Gas Applications
Works as an oxygen scavenger and helps support corrosion control in selected industrial systems.
Key Benefits
Multiple Grade Options
Available in pure grade, extra pure grade, food grade, and liquid solution form to match different application needs.
Strong Reducing Agent
Supports oxidation control, bleaching, preservation, and process stability.
Effective Dechlorination
Helps remove excess chlorine from water treatment and industrial systems.
High Solubility
Dissolves easily in water, making it suitable for different process applications.
Suitable for Multiple Industries
Used in food processing, textiles, water treatment, photography, pulp & paper, chemicals, and industrial sectors.
Consistent Quality
Manufactured and supplied with focus on purity, stability, and dependable product performance.
Why Choose Sodium Metabisulphite?
Sodium Metabisulphite is preferred across industries because of its reliable performance, flexible grade options, and wide application range. Whether used as a preservative, antioxidant, reducing agent, bleaching agent, dechlorination agent, or oxygen scavenger, it provides consistent results in demanding industrial and specialty applications.
With availability in powder and liquid solution forms, Sodium Metabisulphite is a practical product for customers looking for quality, easy handling, stable performance, and reliable chemical supply.
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