Properties:Colorless monoclinic crystal, soluble in water, soluble in methanol, ethanol, amyl alcohol, acetone. Easy deliquescence in the air, is an oxidizing agent in organic matter, sulfur is burning and explosio
purpose:Mainly used in refrigerants and cement antifreeze and phosphating of iron and steel industry agent, also used in the manufacture of fireworks and other nitrate and agriculture used as acidic soil fertilizer.