Pigment Red 170/Permanent Red F3RK C .I . NO:Pigment Red 170 CAS NO:2786-76-7 Molecular Weight: 454.48 Molecular Formula:C26H22N4O4 Manufacturing Methods : 4-Aminobenzamide diazotization, and N-(2-ethoxyphenyl)-3-hydroxy-2-naphthamide coupling. Properties and Applications: blue light red. Blue light red powder. Insoluble in water, acid and alkali resistant. In general organic solvent insoluble, has good fastness. The structure has two kinds of crystal type. Suitable for advanced coating use, mainly used for tools, automobile coatings and coating for equipment manufacturing, it can also be used for PVC printing ink and packaging printing coating use, this product way for polypropylene, viscose fiber, vinegar of protoplasm coloring. Suitable for PVC, PE plastic coloring Close to International Similar grades: Pigment Red 5R Pigment Red GL Pigment Red GL-HB Pigment Red GL-HR Permanent Red F5RK 3169 Naphthol Red 3170 Naphthol Red 3172 Naphthol Red 3175 Naphthol Red