Sodium Metabisulphite

High-purity sulfite compound supplied in both technical and food grades for industrial and food-processing applications.

• Purity: typical 98% (minimum 97%)
• Physical form: white crystalline powder, soluble in water
• Grades available: Technical grade and Food grade (E223)
• CAS: 7681-57-4

Key applications

• Water treatment and dechlorination
• Pulp & paper and textile processing (bleaching and antioxidant)
• Food preservation and antioxidant (food-grade, where permitted)
• Chemical intermediate and reducing agent in synthesis
• Photography, mining flotation and other industrial uses

Quality & supply

Manufactured for export with an emphasis on consistent purity and batch-to-batch quality. Standard factory testing and a Certificate of Analysis (COA) are available on request. Typical commercial packaging options can be arranged for bagged or bulk shipments; custom packaging and labeling available to meet buyer requirements.

Logistics & capacity

Production capacity: 1,000 metric tonnes per month, suitable for regular contract supply or spot orders. Export-ready handling and documentation for international shipment can be arranged through the marketplace channel.

If you require technical specifications, safety data sheets (SDS), COA, or pricing for specific volumes and packaging, request them via the marketplace inquiry tools.