... than 150°C.2.Applications:Copper Sulphate is used for extracting the other copper, is also used as a ... textile mordant, agricultural pesticides, fungicides, and for water treatment. As a mordant for cotton and silk; used to produce green ... and blue pigment; used as insectucude, bactericide for water, antiseptics for wood, catalyst for tannage, electrocopper, battery. carving and so on ; ...