UN8606 Fast Blue BS (Pigment Blue15:2) Chemical Name: Phthalo Blue(NC ¦Á-Form) CAS No.:12239-89-1 EU No.: 205-685-1 C.I. NO.: 74160 Chemical Formula:: C32H16CuN8 , C32H15ClCuN8 Molecular Weight: 576~610 Physical and Chemical Properties of Pigment Blue15:2 PH Value: 5.6 Density (g/cm3 ): 1.5 Oil Absorption (ml/100g): 45 Light: 8 Heat (¡ãC): 230 Water: 5 Linseed Oil: 5 Acid: 3 Alkali: 5 Application of Pigment Blue15:2: Reddish,Plastic rubber,Paint,inks