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Food Grade Sodium Metabisulfite
Jinan Spark provides high-quality Food Grade and Industrial Grade Sodium Metabisulfite (CAS:7681-57-4). Sodium Metabisulfite is white crystalline powder with powerful reducing, bleaching and antioxidant properties. As a versatile additive, Sodium Metabisulfite is widely applied in food preservation, fruit and vegetable color retention, wine fermentation, textile printing and dyeing, wastewater treatment, mineral flotation and pulp bleaching industries.
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Product Description
1. Product Introduction of Food Grade Sodium Metabisulfite
Sodium Metabisulfite (also called Sodium Pyrosulfite, CAS No.:7681-57-4), molecular formula Na2S2O5, is a widely used inorganic sulfite raw material.
Jinan Spark supplies two grades: Food Grade Sodium Metabisulfite and Industrial Grade Sodium Metabisulfite. It appears as white crystalline powder, freely soluble in water with weakly acidic aqueous solution.
With powerful reduction, bleaching, anti-oxidation and preservative properties, SMBS is an essential material for food processing, textile printing & dyeing, wastewater treatment, mineral flotation and fine chemical industries worldwide.
2. Product Specifications of Food Grade Sodium Metabisulfite
Basic Information
CAS Number: 7681-57-4
Molecular Formula: Na2S2O5
Molecular Weight:190.11
Appearance: White or slight yellow crystalline powder
Quality Standard
|
Items |
Standard |
|
Sodium Metabisulfite content,% |
≥97.0 |
|
Iron (Fe),% |
≤0.003 |
|
Heavy metal (Pb),% |
≤0.0005 |
|
Arsenic (As),% |
≤0.0001 |
3. Product Advantages of Food Grade Sodium Metabisulfite
★Stable purity & clear aqueous solution. Produced with dedicated production line using food-grade raw materials. Extremely low insoluble matter, no suspended solids after dissolution, and will not affect the appearance of finished food.
★Reliable anti-browning & preservation performance. Effectively restrain enzymatic browning of fruits and vegetables. It provides color protection, anti-oxidation and bacteriostasis. The dosage is easy to control for standardized production.
★Free-flow crystalline powder. Uniform crystal, anti-caking, suitable for automatic feeding equipment. Consistent indicators between batches to avoid fluctuation of end products.
4. Applications of Food Grade Sodium Metabisulfite
Work as antioxidant, color protectant, bleaching agent and preservative. Widely used in dried fruits, preserved fruits, edible mushrooms, canned vegetables, fruit juice, wine and fermentation industry. It prevents enzymatic browning and extends food shelf life.
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