Pigment Red 48:2 CAS# 7023-61-2

Name: Pigment Red 48:2, aliases include Sun-Fast Brilliant Red BBC, Permanent Red 2BP, etc.
Molecular formula: C_{18} H_{11} CaClN_{2} O_{6} S
Molecular weight: 458.89
Color and properties: Purple-red powder
Chemical properties: Strong tinting power. It is purple-red when it meets concentrated sulfuric acid, and it becomes a blue-red precipitate after dilution; it is brown-red when it meets concentrated nitric acid; it is red when it meets sodium hydroxide. It has good light and heat resistance, but poor acid and alkali resistance.
Uses: Mainly used for coloring inks, plastics, rubbers, coatings and stationery. For example, it can be used for solvent inks, offset inks, water-based inks, water-based paints, industrial paints, etc.; in plastics, such as soft PVC, it does not bleed, and it is heat-resistant to 230℃/5min in HDPE, and is widely used for LDPE coloring; it can also be used for PP original pulp coloring, etc.