... redMF:Fe2O3 MW:160MP:1565oCRelative Density:5.24SpecificationAppearence:red-brown powder ,Do not dissolve in water ... , soluble in acidUses1. The red-brown powder as a low-level pigment, ... red, used for paint, printing ink, rubber and other industries 2. Do Catalyst 3. Glass, precious stones, metal polishing agent Dye red ... Iron oxide red