Pigment Red 146 CAS# 5280-68-2

Pigment Red 146 belongs to the monoazo pigment class. Its molecular formula is C_{33} H_{27} ClN_{4} O_{6} and its molecular weight is 611.05.
Here are some of its physical and chemical properties: Hue or shade: bluish red Relative density: 1.35-1.40 Bulk density: 11.2-11.6 lb/gal Melting point: 318-322 °C
Average particle size: 0.11 μm Particle shape: small flakes Specific surface area: 36-40 m²/g
pH value (10% slurry): 5.5 Oil absorption: 65-70 g/100g Hiding power: translucent
In terms of performance, Pigment Red 146 has good heat stability, up to 200 °C, and in some cases even up to 250 °C or 280 °C; light resistance level is 7-8; it also has good water resistance, oil resistance, acid resistance and alkali resistance.
In terms of use, it is mainly used in printing inks and coatings. In the printing ink industry, it can be used for water-based inks, cooking-resistant inks, inkjet, UV inks, and food packaging inks; in the coating field, it can be used for powder coatings, baking varnishes, latex paints, and automotive paints; it can also be used for coloring PS and ABS plastics, as well as for coloring the original pulp of polypropylene and polyester. It can also be used with molybdenum chrome orange for outdoor coatings and powder coatings to create a non-transparent red; it can be used with pigment yellow 83 and carbon black to create brown for wood coloring.