【CAS No.】 25869-00-5
【Molecular formula】C6H4Fe2N7·nH2O n=1-3
【Molecular weight】 285.83（excluding crystal water）
Iron blue, widely used in coatings and printing ink industry, will not produce seep phenomenon in common solvent, and will show excellent color and performance in ink. In addition to the coating alone used as blue pigment, but also with lead chrome yellow spell lead chrome green. In plastics, iron blue is used for low density and high density polyethylene coloring, and ammonium iron blue can also be used as a pesticide to prevent plant discoloration.