... PY 155 yellow brown pigment 1 Suitable for Plastic,and water based ink 2 Soft particles easy to disperse PY 155 yellow brown pigment C.I ... .NO,Pigment Yellow 155 C.I.200310CAS NO,68516-73-4 / 77465-46-4Hue, ... -(1-acetyl-2-oxo-2,1-ethanediyl)-azo)-bis-1,4-Benzenedicarboxylic acid,tertramethylesterProperties,Very good weather resistence, heat resistence, ...