Product Description
Sodium Sulphite Anhydrous (Na₂SO₃) is a white crystalline powder widely used as a reducing agent, preservative, and chemical intermediate. It is known for its high solubility in water and excellent stability in anhydrous form. In laboratories, it serves as a reagent in analytical chemistry and redox reactions, while in industries, it is applied in water treatment, pulp and paper, photography, and textile processing.

Key Features
- Chemical Name: Sodium Sulphite Anhydrous
• Chemical Formula: Na₂SO₃
• CAS Number: 7757-83-7
• Molecular Weight: 126.04 g/mol
• Appearance: White crystalline powder
• Purity: ≥98% (Analytical Reagent Grade)
• Solubility: Soluble in water; insoluble in alcohol
• Function: Reducing agent, preservative, laboratory reagent
• Stability: Stable when stored in a cool, dry, and airtight container
Applications
Laboratory & Research
• Used as a reagent in analytical chemistry and redox experiments.
• Applied in the preparation of standard solutions and titrations.
• Functions as a reducing agent for various chemical analyses.
Industrial Uses
• Water Treatment: Used for dechlorination and oxygen scavenging.
• Pulp & Paper Industry: Applied as a bleaching agent and preservative.
• Textile Industry: Used in dyeing, bleaching, and as an antioxidant.
• Photography: Functions as a preservative in photographic developers.
• Food Industry: Acts as a preservative and antioxidant under regulated conditions.
Safety & Handling
- Hazard: May cause irritation to skin, eyes, and respiratory tract.
• Precautions: Handle with gloves, goggles, and protective clothing. Use in a well-ventilated area.
• Storage: Store in tightly closed containers in a cool, dry place, protected from moisture and acids.
• Disposal: Dispose of according to local environmental and laboratory regulations.
Price in Bangladesh
Available in 250 g, 500 g, 1 kg, and 5 kg packs at competitive rates.
Bulk supply and institutional discounts available for research laboratories, industries, and universities.
Why Choose Sodium Sulphite Anhydrous from M/S Bright Scientific Co.?
- High-purity AR Grade ensuring accurate laboratory and industrial results.
• Batch-tested for stability, solubility, and performance.
• Safe, moisture-proof packaging for long shelf life.
• Competitive pricing with bulk supply and nationwide delivery options.
• Trusted supplier for industrial, laboratory, and research applications.
Contact Information
M/S Bright Scientific Co.
📞 Phone: 01711285976








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