... , soluble in hydrochloric acid, etc Brief: Alias name: colcothar, rouge; CAS:309-37-1; Molecular formula:Fe2O3 Brand: Saiya Specification: 101 ... , 110, 120, 130, 140, 190, etc. Applications: used for the color of ... -25%Content: Fe2O395% min (Good Thermal stability) Iron Oxide Red 120.