Premium Quality Guarantee
WILCO PRIME supplies high-purity Sodium Sulphite that meets international industrial and food-grade standards. Our products are tested for quality and consistency, ensuring reliability across various applications.
Sodium Sulphite Industrial Grade
Key Specifications
- Purity: ≥98% (Industrial Grade)
- Appearance: White crystalline powder
- Odor: Odorless or slight sulfurous odor
- Solubility: Soluble in water (22 g/100 mL at 20°C)
- pH (5% Solution): 9.0-10.5
- Moisture: ≤0.5%
- Heavy Metals: ≤10 ppm (as Pb)
- Packaging: 1kg, 5kg, 25kg (Custom options available)
Product Description
Sodium Sulphite (Na₂SO₃) from WILCO PRIME is a high-purity, industrial-grade compound used as a reducing agent, preservative, and oxygen scavenger. It is widely applied in water treatment, photography, and food processing industries.
Industrial Applications
Our Sodium Sulphite excels in water deoxygenation, photographic development, pulp and paper processing, and food preservation, delivering consistent and effective results.
Technical Specifications
| Chemical Name | Sodium Sulphite (Anhydrous) |
|---|---|
| CAS Number | 7757-83-7 |
| Molecular Formula | Na₂SO₃ |
| Molecular Weight | 126.04 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless or slight sulfurous odor |
| Purity | ≥98% |
| Solubility | Soluble in water (22 g/100 mL at 20°C) |
| pH (5% Solution) | 9.0-10.5 |
| Melting Point | Decomposes above 600°C |
| Moisture | ≤0.5% |
| Heavy Metals (as Pb) | ≤10 ppm |
Industry Applications
- Water Treatment: Oxygen scavenger to prevent corrosion in boilers
- Photography: Preservative in developing solutions
- Food Industry: Preservative and antioxidant (E221)
- Pulp & Paper: Bleaching agent for pulp processing
- Textile Industry: Reduces excess bleach in dyeing
- Chemical Synthesis: Reducing agent in reactions
Safety & Handling Information
- Recommended Usage: Use as directed for specific applications
- Storage: Store in a cool, dry, well-ventilated area away from oxidizing agents
- Handling: Avoid inhalation of dust and contact with skin/eyes
- Incompatibilities: Strong oxidizers, acids
- PPE: Wear gloves, goggles, and protective clothing
- First Aid: Rinse with water if exposed; seek medical attention if irritation persists
- Disposal: Dispose per local regulations
For complete safety information, refer to the Material Safety Data Sheet (MSDS).
Packaging Options
| Quantity | Container | Part Number | Grade |
|---|---|---|---|
| 1 kg | HDPE bag | WIL-SS-1000 | Industrial Grade |
| 5 kg | HDPE drum | WIL-SS-5000 | Industrial Grade |
| 25 kg | PP woven sack | WIL-SS-25000 | Industrial Grade |
| Custom | Bulk packaging available | Contact us | Industrial Grade |
Storage & Stability
Store in airtight containers in a cool, dry area away from moisture and incompatible substances. Stable under recommended conditions with a shelf life of 2 years when properly stored. Avoid exposure to air to prevent oxidation.
Regulatory Compliance
WILCO PRIME Sodium Sulphite complies with international industrial and food-grade standards (where applicable). Handle according to local safety and chemical regulations.
