Sodium Metabisulphite

Product Introduction

Sodium Metabisulphite (Na₂S₂O₅) is a widely used food additive and industrial chemical. It appears as a white or slightly yellow crystalline powder and functions as a bleaching agent, preservative, and antioxidant.

Product Information

• Chemical Formula: Na₂S₂O₅
• Molecular Weight: 190.11
• CAS Number: 7681-57-4
• Melting Point: Not specified
• Appearance: White or slightly yellow crystalline powder

Application

Food Industry: Used as a preservative, antioxidant, bleaching agent, and leavening agent. Industrial Field: Employed in textile processing, rubber coagulation, and photographic development.

Packaging and Storage

Packaging

Typically packaged in plastic-lined woven or aluminum foil bags to ensure moisture resistance.

Storage

Store in a cool, dry, and well-ventilated area away from moisture and direct sunlight.

Transportation

Inspect packaging for integrity before shipment and use dedicated transport methods to prevent contamination.

Summary

Sodium Metabisulphite is an essential chemical for both food processing and industrial applications. Its preservative and antioxidant properties make it invaluable, while proper packaging and storage are vital for maintaining its quality.