Sodium Hydrosulfite Alias: Sodium Dithionite CAS No.: 7775-14-6 Molecular Formula: Na?S?O? Molecular Weight: 174.11 Content: 88% Executive Standard: HG/T 2074-2004 Packaging: 25kg/bag or 50kg/drum Uses: 1. Primarily used as a reducing agent in dyeing, a bleaching agent for pulp, hemp, oil, etc., and for pharmaceuticals and analytical reagents. 2. Used for food bleaching, such as gelatin, sucrose, honey, etc., and for bleaching soap, animal (plant) oils, bamboo products, and kaolin. 3. Used in organic synthesis, such as in the production of dyes and pharmaceuticals as a reducing or bleaching agent. It is the most suitable bleaching agent for wood pulp papermaking. 4. Used in the textile industry for reductive dyeing, reductive cleaning, printing, decolorization, and as a bleaching agent for silk, wool, nylon, and other fabrics.