Appearance Colorless monoclinic crystal
- Used as a dechlorinating agent after bleaching of pulp and cotton fabrics, used as a chelating agent and antioxidant in the food industry, and used as a detergent and disinfectant in the pharmaceutical industry
- It is used for dehydrochlorination in natural gas, naphtha, syngas, hydrogen, nitrogen and other gases to protect downstream catalysts from poisoning.
- The photosensitive industry is used as a photographic fixing agent. It is used as a dechlorinating agent after pulp bleaching in the paper industry. Printing and dyeing industry used as a dechlorination agent after bleaching of cotton fabrics.
- Used as a complexing agent for thiosulfate silver plating. The silver plating layer is finely crystallized and has good covering ability.