Application: Low viscosity , Offset inks Pigment Red 81:1 (UN8149 Fast Pink Lake ) Chemical Name: Rhdamine 6G Lake CAS No.: 80083-40-5EU No.: 279-394-3C.I. NO.: 45160:1 Physical and Chemical Properties PH Value: 4 Density (g/cm3 ): 12 Oil Absorption (ml/100g): 50 Light: 5 Heat (°C): 150 Water: 4 Linseed Oil: 4 Acid: 5 Alkali: 6 Application: Low viscosity , Offset inks