Manganese sulfate (chemical formula MnSO4, formula 151.00), its monohydrate is reddish orthorhombic crystal, relative density is 3.50, melting point is 700 ° C, soluble in water, insoluble in ethanol. It exists in the form of a plurality of hydrates. 
Zinc sulfate monohydrate has been widely used in feed additives, chemical, defense, fertilizer, mineral processing, pharmaceutical, rubber, electronics, printing and dyeing agent zinc sulfate monohydrate, bone gel clarifying agent and protective agent, electroplating, prevention of fruit tree pests and diseases and circulating cooling water treatment. , viscose fiber and nylon fiber. It is a raw material for the manufacture of zinc salts and zinc antimony. Used in cable electroplating and electrolytic pure zinc in the electrolysis industry. Also used in wood and leather preservatives and man-made fiber industries. Food grade is used as a nutritional supplement (zinc fortifier).