What Is Quinacridone?
Quinacridone is an organic compound used as a dye, appearing as a red or purple solid at room temperature. It encompasses a group of derivative compounds whose hues vary based on crystal structure and substituents.
Uses of Quinacridone
Quinacridone serves as high-performance red synthetic pigments in printing inks, plastic coloring, automotive, and industrial coatings due to its excellent weather resistance. Its nanocrystalline dispersions are commonly used as magenta printing inks. It also finds applications in the field of organic electronics, including solar cells and organic EL materials, owing to its semiconductor properties.
Properties of Quinacridone
With a molecular formula of C20H12N2, Quinacridone is an aromatic hydrocarbon, insoluble as a pigment, and known for its color and weather fastness. Its hue is influenced by the molecule’s structure and crystalline form, with different forms affecting color, solvent tolerance, and stability.
Structure of Quinacridone
Quinacridone is a polycyclic compound with two carbonyl groups and a nitrogen atom in its structure, contributing to its vivid color and lightfastness. Commonly synthesized derivatives include CH3 and Cl substituents.
Other Information on Quinacridone
1. Production Process of Quinacridone
Quinacridone is synthesized from succinimide and 2-aminophenol. It involves reactions in toluene with phthalic acid, urea, and other chemicals, and heating at high temperatures. Methods using sodium methoxide and ethyl acetate have also been developed.
2. Semiconductor Properties of Quinacridone
As a semiconductor, Quinacridone derivatives exhibit fluorescence and high carrier mobility, making them suitable for organic light-emitting diodes, solar cells, and transistors.