We are offering organic pigment - quinacridone red (pigment red 122) cas no.: 980-26-7 ; 16043-40-6 eu no.: 213-561-3 c.i.no.: :73915 formula: c22h16n2o2specific gravity (g/cm3 h2o = 1) :1.401.50 bulk density (lb/gal) :11.612.5 melting point (c) :440 average partical (um) :0.060.07 surface area (m2/g) :62 ph value :6.26.7 oil absorption(g/100g) :4065 molecular weight: 340.37.