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Sodium Meta Bisulfite
Sodium metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent.When dissolved in water it forms sodium bisulfite.
Sodium Metabisulfite (Na₂S₂O₅) is a white crystalline powder or granular material that is widely used as a preservative, antioxidant, and disinfectant in various industries. It has a pungent sulfurodor and is commonly used for its ability to release sulfur dioxide (SO₂) when dissolved in water, which serves as the active agent for many of its applications.
Chemway is one of the Sodium Meta Bisulfite, manufacturers, exporters, and suppliers in Fujairah, Sharjah, Abu Dhabi, Ajman, Ras Al Khaimah, Kuwait, Muscat, Dubai UAE.
- Food and Beverage Industry
- Application: Used as a preservative and antioxidant.
- Key Uses:
- Preservative for dried fruits, vegetables, and juices (prevents spoilage and browning).
- Antioxidant in wines and beverages (prevents oxidation and spoilage).
- Dough conditioner in baked goods (improves dough elasticity and texture).
- Benefits:
- Extends shelf life by inhibiting microbial growth.
- Prevents discoloration and maintains freshness.
- Water Treatment Industry
- Application: Sodium metabisulfite is used for dechlorination and as an oxygen scavenger.
- Key Uses:
- Neutralizing chlorine in drinking water and wastewater treatment.
- Preventing corrosion in boiler water systems by removing dissolved oxygen.
- Benefits:
- Ensures water safety by removing residual chlorine.
- Protects equipment from corrosion, prolonging its lifespan.
- Textile Industry
- Application: Used as a reducing agent in the dyeing and bleaching of fabrics.
- Key Uses:
- Bleaching agent for wool, cotton, and silk fabrics.
- Reducing agent in textile dyeing processes (improves colorfastness and brightness).
- Benefits:
- Enhances the dyeing process by reducing excess dyes.
- Produces bright and evenly dyed textiles.
- Photography Industry
- Application: Sodium metabisulfite is used in photographic processing as a developer and fixer.
- Key Uses:
- Stabilizing agent in photographic developers to prevent oxidation.
- Fixer in film processing (removes unexposed silver halides).
- Benefits:
- Ensures high-quality photo development.
- Stabilizes and extends the life of photographic solutions.
- Mining Industry
- Application: Used in the extraction and processing of metals.
- Key Uses:
- Flotation depressant in mineral extraction.
- Gold cyanidation process (used to separate gold from ore).
- Benefits:
- Assists in efficient recovery of precious metals.
- Improves mineral separation during flotation.
- Pharmaceutical Industry
- Application: Used as an antioxidant and preservative in pharmaceutical formulations.
- Key Uses:
- Antioxidant in injectable drugs (prevents oxidation of active ingredients).
- Preservative in various medicinal formulations, including eye drops.
- Benefits:
- Extends shelf life and maintains the efficacy of pharmaceuticals.
- Prevents oxidation of sensitive ingredients.
- Cosmetics and Personal Care Industry
- Application: Used as a preservative and antioxidant in personal care products.
- Key Uses:
- Antioxidant in creams, lotions, and other cosmetics.
- Preservative in hair care and skincare products.
- Benefits:
- Protects cosmetic formulations from oxidation and microbial growth.
- Helps maintain product stability and prolongs shelf life.
- Pulp and Paper Industry
- Application: Used in the bleaching process for paper production.
- Key Uses:
- Bleaching agent for wood pulp during paper manufacturing.
- Benefits:
- Produces high-quality white paper.
- Helps in breaking down lignin during the pulping process.
- Cleaning and Sanitization:
- Application: Sodium metabisulfite is used as a sanitizing and cleaning agent in industries like brewing and winemaking.
- Key Uses:
- Sanitizer for cleaning brewing and wine-making equipment.
- Cleaning agent for food processing equipment.
- Benefits:
- Ensures hygiene in food and beverage production.
- Prevents contamination and spoilage by killing microbes.
- Chemical Industry
- Application: Used as a reducing agent and intermediate in chemical production.
- Key Uses:
- Reducing agent in organic synthesis.
- Intermediate for producing sodium thiosulfate and sulfur dioxide.
- Benefits:
- Essential in reducing reactions during chemical production.
- Widely used in the manufacture of other industrial chemicals.
- Environmental Applications
- Application: Used for environmental control and remediation.
- Key Uses:
- Neutralizing acidic spills in industrial settings.
- Air pollution control (helps in flue gas desulfurization).
- Remediation of acidic soils.
- Benefits:
- Safe for environmental applications, neutralizing hazardous chemicals.
- Reduces air pollution by removing sulfur compounds from emissions.
Appearance | White to yellow powder |
Odor | Faint |
pH | Acidic |
Molecular Weight |
|
Boiling Point | NA |
Melting Point | 170 °C |
Vapor Pressure | Negligible |
Density | 1.48 g/cm3 |
Flash Point | Non-flammable |
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