Food Grade Sodium Metabisulfite (Na2S2O5) with ≥96% Purity for Textile Dechlorination and Water Soluble Application

Food Grade Sodium Metabisulfite (molecular formula Na₂S₂O₅, CAS No.: 7681-57-4) is a white crystalline powder or granules with a slight sulfur dioxide odor and excellent water solubility.

Produced strictly in accordance with national food additive standards, this product features a main content of ≥96.5% with extremely low levels of heavy metals, arsenic, and other harmful impurities, ensuring full compliance with food safety regulations.

This food-grade compound serves as a bleaching agent, preservative, antioxidant, and color fixative. Widely used in preserves, edible fungi, fruit & vegetable products, sugar, wine, and other food processing industries, it effectively prevents discoloration and extends shelf life.

Standard Packaging: 25kg food-grade bags

Storage Instructions: Store in cool, dry, and sealed environments. Protect from moisture and high temperatures to maintain product integrity.

• Fruits, vegetables & edible fungi: Color retention, fresh-keeping and preservation
• Preserves & sugar: Bleaching and anti-oxidation
• Wine & beverages: Bacteriostasis and color stabilization