Pigment Red 22 CAS# 6448-95-9

Pigment Red 22, its molecular formula is C_{24} H_{18} N_{4} O_{4}, and its molecular weight is 426.42. In terms of physical and chemical properties, its density is 1.34g/cm³, its melting point is greater than 216°C (decomposition), its boiling point is 622.6°C (760mmHg), its refractive index is 1.674, and its flash point is 330.3°C.
Pigment Red 22 is yellowish red, insoluble in water, slightly soluble in ethanol, and has strong acid resistance. Its main application areas include inks, coatings, pesticides, fertilizers, etc. In terms of color light, it has the characteristics of yellowish red. Compared with C.I. Pigment Red 2, it has obvious yellow light and slightly lower light fastness. Compared with C.I. Pigment Red 53:1, its color light is slightly blue and its light fastness is about 1 level higher.
In actual use, it is often used for textile printing and dyeing and ink coloring, especially NC-type ink, which has good tolerance to alkali and soap; it can also be used for coloring air-drying paint, latex paint, etc. There are many brands on the market.