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Sodium metabisulfite ( 25kg)
Price :
৳2000
Estimated Shipping Time: 3-5 Days
Uses: Used as Preservative in food and beverage industry , Sanitizing Agent, in Water Treatment & as a preservative for photographic chemicals.
Product SKU: qgR6228WzK
- Sodium metabisulfite typically appears as a white to pale yellow crystalline powder or granules. The exact color may vary depending on the purity of the compound. It has a sulfur dioxide-like odor, which can be quite pungent. It is soluble in water, and when dissolved, it forms a solution with a slightly acidic pH .
- Another Name : Sodium pyrosulfate
Product Specification
| Brand | Imperial |
| Form | Powder |
| Grade Standard | Reagent Grade |
| Packaging Size | 25/50 kgs |
| Usage | Industrial, Laboratory |
| Packaging Type | Bag |
| Color | yellowish-white crystal |
| Synonym | Sodium pyrosulfite |
| Cas Number | CAS 7681-57-4 |
| E.C. Number | 231-673-0 |
| Molecular Weight (g per mol) | 190.1 |
| pH Value | 3.5 to 4.5 |
| Appearance | yellowish-white crystalline powder |
| Physical State | Powder |
| Physical appearance | White, shining crystalline material |
| Molecular formula | Na2S2O5 |
Sodium Metabisulphite - Photo Grade:
| Formula | Na2S2O5 |
| Molecular Weight | 190.10 |
| Assay as Na2S2O5 | 95 % Min |
| Assay as (SO2 ) | 64 % Min |
| Solubility (10 % Aqueous Solution) | V. S. Hazy to clear solution |
| pH of 5% Solution | 3.5 to 4.5 |
Common Uses:
- Preservative: Sodium metabisulfite is widely used as a preservative and antioxidant in the food and beverage industry. It helps prevent browning and spoilage in various products, including dried fruits, wine, and beer.
- Sanitizing Agent: It is employed as a sanitizing agent in the winemaking and brewing industries to disinfect equipment and containers.
- Water Treatment: Sodium metabisulfite is used in water treatment processes to remove excess chlorine and chloramines. It serves as a dechlorinating agent.
- Photography: In the photographic industry, it is used as a developing agent and as a preservative for photographic chemicals.
- Chemical Reducing Agent: It has applications as a reducing agent in various chemical processes, including the reduction of certain metal ions and the removal of excess iodine in chemical reactions.
- Analytical Chemistry: Sodium metabisulfite is used in analytical chemistry for sample preservation and in various testing procedures.
- Textile Industry: It is used in the textile industry for dyeing and printing processes.
Sodium metabisulfite is a commonly used food additive with various applications in the food industry. Here are 14 key points related to sodium metabisulfite in the context of food:
Chemical Composition: Sodium metabisulfite is a white, crystalline powder with the chemical formula Na2S2O5. It is a sodium salt of metabisulfite.
Preservative: One of its primary uses is as a preservative in food. It helps extend the shelf life of certain products by inhibiting the growth of bacteria and molds.
Antioxidant Properties: Sodium metabisulfite serves as an antioxidant, preventing the oxidation of certain compounds in food. This is particularly useful in preserving the color and flavor of fruits and vegetables.
Dough Conditioner: In the baking industry, sodium metabisulfite is used as a dough conditioner. It improves the texture and quality of dough, contributing to the overall baking process.
Enzyme Inhibitor: It acts as an enzyme inhibitor, slowing down the browning of fruits and vegetables when exposed to air.
Bleaching Agent: Sodium metabisulfite is employed as a bleaching agent in certain food products, such as dried fruits and vegetables.
Wine and Beer Production: It is commonly used in the production of wine and beer to control fermentation and inhibit the growth of unwanted microorganisms.
Seafood Processing: Sodium metabisulfite is utilized in the seafood industry to prevent the discoloration of shellfish and to maintain the freshness of fish.
Anti-browning Agent: It is added to fresh-cut fruits and vegetables to prevent browning caused by the enzymatic oxidation of phenols.
Meat Processing: In meat processing, sodium metabisulfite can be used as a color stabilizer and preservative to extend the shelf life of certain meat products.
Dechlorination Agent: It is employed to remove chlorine and chloramine from water used in food processing, as excess chlorine can affect the taste and quality of food.
Allergen Information: Sodium metabisulfite may cause allergic reactions in some individuals, particularly those sensitive to sulfites. As a result, its use in food is regulated, and products containing it must be labeled accordingly.
Regulatory Approval: The use of sodium metabisulfite in food is regulated by food safety authorities, and there are established limits on its concentration in various food products.
Storage and Handling: Proper storage and handling of sodium metabisulfite are crucial to maintain its efficacy. It should be stored in a cool, dry place away from incompatible substances, and food processing personnel should follow safety guidelines when working with it.
It's important to note that while sodium metabisulfite has various applications in the food industry, its usage is subject to regulatory standards and should be in accordance with recommended guidelines to ensure food safety.
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