Pigment -- Pigment Red 168 -- Dibromnthranthrone R-2G CAS No.: 4378-61-4 EU No.:224-481-3 C.I.No.: 59300 Formula: C22H8Br2O2 Molecular weight:464.11 Following are the technical data sheet: Shade: Blueish Specific Gravity (g/cm3 H2O = 1): 1.5 Bulk density (lb/gal): 11.6-16.5 Melting point : 400 Average partical (nm): 0.08 Surface area (m2/g): 30 PH value: 7 Oil absorption(g/100g): 45 Tinting strength: Semi-Transparent Our models: UN8154 -- Pigment Red 168 -- Dibromnthranthrone R-2G -- plastic Red Pigment series: Pigment red 2 , Pigment Red 3 , Pigment Red 5 , Pigment Red 8 , Pigment Red 9 , Pigment Red 12 , Pigment Red 13 , Pigment Red 21 , Pigment Red 22 , Pigment Red 23 , Pigment Red 31 , Pigment Red 32 , Pigment Red 48:1 , Pigment Red 48:2 , Pigment Red 48:3 , Pigment Red 48:4 , Pigment Red 49:1 , Pigment Red 49:2 , Pigment Red 53:1 , Pigment Red 53:3 , Pigment Red 63:1 , Pigment Red 57:1 , Pigment Red 81 , Pigment Red 81:1 , Pigment Red 81:3 ,Pigment Red 112 , Pigment Red 122 , Pigment Red 146 , Pigment Red 168 , Pigment Red 170 (F3RK) , Pigment Red 170 (F5RK) , Pigment Red 170 (F2RK) , Pigment Red 171 , Pigment Red 175 , Pigment Red 176 , Pigment Red 177 , Pigment Red 184 , Pigment Red 185 , Pigment Red 208 , Pigment Red 245 , Pigment Red 266