... of the dyes and pigments in China. organic pigment red 48:2Fast Physical Data: PH Value: 7 Oil Absorption: 60Resistance:light ... ,13,34,36,64,73Red 2,3,8,21,22,31,48:1,48:2,48:3,49:1,49:2,53:1,57:1,63 ... ,177,184,185,202,208,252,254Blue15,15:1,15:2,15:3,15:4Green 7Violet 1,3,19,23,27 ...