Na₂S₂O₅ · E223
Food Grade
Sodium Metabisulfite
Sodium Metabisulfite (Na₂S₂O₅), identified as E223 in the food industry, is a high-purity inorganic sulfur compound. Its reducing properties support oxidation control, color retention and process stability. Use must remain within the maximum limits established by applicable national legislation. Controlled production and advanced quality control provide high purity, low insoluble matter and consistent product quality.
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WORKING MECHANISM
How it works
in your process.
Bisulfite ions formed in aqueous solution react with dissolved oxygen and other oxidizing compounds. This helps slow oxidative deterioration, control enzymatic browning, retain color and support product stability. Dosage must be determined according to product type and applicable food legislation.
Technical specifications
- Chemical Name
- Sodium Metabisulfite
- Chemical Formula
- Na₂S₂O₅
- CAS No.
- 7681-57-4
- EC No.
- 231-673-0
- Food Additive Code
- E223
- Molecular Weight
- 190.10 g/mol
- Appearance
- White crystalline powder
- Solubility
- Highly soluble in water
- pH (10% solution)
- 4.0–5.5
Applications
Fruit & Vegetable Processing
Supports control of enzymatic browning and appearance retention in fresh-cut or processed fruit and vegetables.
Dried Fruit
Helps reduce color change and maintain product stability during drying.
Beverage Industry
Supports oxidation control in fruit juice, concentrates, non-alcoholic beverages and similar applications.
Wine & Fermented Beverages
Used to control oxidative deterioration, support microbial stability and retain product quality.
Potato & Starch Products
Helps reduce color changes that may occur during processing.
Prepared Foods & Seasonings
May support oxidation control and product stability in sauces, marinades, olive-oil-based products and seasoning blends, subject to applicable legislation and product specifications.
Packaging and storage
25 kg PE-lined PP bags · 500 kg Big Bags · 1,000 kg Big Bags · Alternative packaging on request
Store in the original packaging in a cool, dry area protected from moisture and direct sunlight. Use promptly after opening.
TECHNICAL DOCUMENTS
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