Name: Sodium Metabisulfite
SKU: 3296
Availability: InStock

Buy Sodium Metabisulfite Food Grade | Melbourne, Victoria

Sodium Metabisulfate is a versatile chemical compound commonly used across various industries due to its strong reducing, bleaching, and disinfecting properties. It is widely used in water treatment, cleaning, food processing, and the textile and cosmetic industries, among others.

Molecular Formula : Na2S2O5
CAS No. : 7681-57-4
Molecular Weight : 190.11 g/mol
Boiling Point : Decomposes
Melting Point : > 150 °C Decomposes without melting
Flash Point : Not applicable
Vapor Pressure : Not applicable
Vapor Density : Not applicable
Auto ignition temperature : Not applicable
Explosive limits : Not applicable
Solubility in water : 65.3 g/100 mL (20 °C)
Density : 1.48 g/cm3
Appearance : Colourless granules
Odor : Faint odor of SO2

Features:

Sodium Metabisulfate is a chemical compound with the formula Na₂S₂O₅.
It is a white crystalline powder or granules with a pungent odor of sulfur dioxide.
It acts as a reducing agent and is commonly used as a disinfectant, preservative, and bleach.
Highly soluble in water, where it releases sulfur dioxide (SO₂), a potent bactericidal and antifungal agent.
In its solid form, it is typically odorless but emits a sulfurous smell when dissolved in water.

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Buy Sodium Metabisulfate – Food Grade | Victoria, Australia

Product Description:

Sodium Metabisulfate (Na₂S₂O₅) is a highly effective compound used for its reducing and disinfecting properties. It is often used in water treatment, food preservation, and cleaning processes due to its ability to release sulfur dioxide, which has powerful sanitizing effects. In its crystalline form, Sodium Metabisulfate is a white powder with a distinct sulfur smell when dissolved in water. It is widely used in industrial and commercial applications as a preservative, bleach, and disinfectant.

Applications/Uses:

Water Treatment: Used in the treatment of drinking water, swimming pools, and effluent systems as a disinfectant and to remove chlorine and other impurities.
Food Processing: Serves as a preservative and a sulfite source in the food industry, especially in fruit processing to prevent browning and preserve color and flavor.
Cleaning & Disinfection: Acts as a powerful disinfectant for surfaces and equipment in industries like food processing, healthcare, and hospitality.
Textile Industry: Used in the textile industry for bleaching fabrics and removing color during the dyeing process.
Cosmetic & Pharmaceutical: Used as an antioxidant and preservative in cosmetic products and in formulations requiring the stabilization of active ingredients.
Gold & Silver Refining: Functions as a reducing agent in the refining process for gold and silver recovery.
Leather Industry: Used as a dehairing agent in leather processing.

How to Use:

Water Treatment: Dissolve Sodium Metabisulfate in water (typically 1-2% solution) for effective chlorine removal and disinfection. Use according to industry-specific guidelines and regulations for safe application.
Food Preservation: For fruit preservation, mix Sodium Metabisulfate in water (0.5-1%) to soak fruits like apples, bananas, and pears to prevent browning. Follow food safety guidelines for usage.
Cleaning and Disinfection: Dissolve in water (2-5%) and apply to surfaces using a clean cloth or mop to disinfect and remove stubborn stains or bacteria. Rinse thoroughly after use.
Textile Industry: Dissolve Sodium Metabisulfate in water (1-2%) and apply during the bleaching process. Follow specific textile industry protocols for desired results.
Cosmetics and Pharmaceuticals: Mix in small amounts to stabilize sensitive ingredients in cosmetic formulations or pharmaceutical products. Always follow dosage recommendations as per the product formulation.

Storage & Handling:

Store Sodium Metabisulfate in a cool, dry, and well-ventilated area, away from heat and direct sunlight.
Ensure containers are tightly sealed to prevent moisture absorption, which can cause the product to decompose.
Handle with care using appropriate protective equipment (gloves, goggles, etc.), as the substance can release sulfur dioxide, which is harmful to the respiratory system in high concentrations.

FAQs:

Q: Is Sodium Metabisulfate safe for food preservation?
A: Yes, Sodium Metabisulfate is approved as a food preservative by various regulatory bodies. However, it should be used in recommended concentrations to avoid excessive sulfite content in food products.
Q: Can Sodium Metabisulfate be used in water treatment?
A: Yes, it is commonly used in water treatment to remove chlorine and other impurities. Always follow local guidelines for safe use.
Q: How should Sodium Metabisulfate be stored?
A: Store it in an airtight container in a cool, dry place. Avoid exposure to moisture, as it can cause the product to release sulfur dioxide gas.
Q: What industries use Sodium Metabisulfate?
A: It is widely used in the water treatment, food processing, textile, cosmetic, and pharmaceutical industries, among others.

Caution: Before using Sodium Metabisulfate for any application, especially in food processing or water treatment, consult with industry professionals or experts to ensure it meets the specific requirements and guidelines for safe use.

Warning: The information provided here is intended as a general guide. Always refer to relevant industry standards or consult with professionals for specific applications or concerns regarding Sodium Metabisulfate.