Iron Oxide Red Chemical Formula: Fe2O3, Color Index: Pigment red 101 CAS No.: 1309-37-1 Basic types: Y101,110,120,130A,130B,130S, 130P,230,140,180,190 CHEMICAL AND PHYSICAL ANALYSIS Fe as Fe2O3≥96.0% Test method ISO1248 Matter volatile at 105OC≤1.0% Test method ISO787-2 Water soluble matter≤0.3% Test method ISO787-3 pH value3 ~7 Test method ISO787-9 Residue on 320mesh≤0.3% Test method ISO787-7 Oil absorption15~25g/100g Test method ISO787-5 Tinting Strength (Compared with Standard) 95~ 105% Test method ISO787-24