Product description: Pigment -Pigment Red 2-Fast Red F2R CAS No.: 6041-94-7 EU No.: 227-930-1 C.I.No.: :12310 Formula: C23H15Cl2N3O2 Molecular weight: 436.29 Following are the technical data sheet: Shade: Yellowish Specific Gravity (g/cm3 H2O = 1): 1.37-1.46 Bulk density (lb/gal): 11.4-12.2 Melting point (0C): 300-311 Average partical (nm): 0.15 Surface area (m2/g): 20;30 PH value: 7.3 ~ 7.9 Oil absorption(g/100g): 36~70 Tinting strength: Semi-Transparent Our model: UN8101 - Pigment Red 2- Fast Red F2R --- Blueish,Aqueous inks,Textile printing