Main purpose

1. Used for bleaching of cotton fabrics and organic fabrics;   

2. Used as reducing agent in dye, paper making, leather making, chemical synthesis and other industries;   

3. Intermediates used in the pharmaceutical industry to produce metamizole and aminopyrine;   

4. Edible products are used as bleaching agents, preservatives and antioxidants;   

5. It is used for the treatment of chromium containing wastewater and as an electroplating additive.