chemical industry

It is used to purify insurance powder, sulfamethazine analgine, caprolactam, chloroform, phenylpropyl sulfone and benzaldehyde. The photographic industry is used as a fixative ingredient. The perfume industry is used to produce vanillin. Used as preservative in brewing industry, rubber coagulant and dechlorination agent after bleaching cotton cloth. Organic intermediates, dyes, tanneries as reducing agents for electroplating, waste water treatment of oilfields and mineral processing agents for mines, etc.

Industry

It is used in printing and dyeing, organic synthesis, printing, leather making, pharmacy and other departments; it is used as preservative, bleaching agent and loosening agent in food processing.

Used as a chemical reagent

It is used as bleaching mordant, reducing agent, rubber coagulant, organic synthetic pharmaceuticals and perfumes, etc.