An organic pigment of the lake type derived from acetic acid, including acetylacetylarylamines and pyrazolones, having a yellow color spectrum.
The main varieties and their derivatives that have been commercialized are introduced in detail, and the names, chemical structures, CAS registration numbers, EC registration numbers, block diagrams of the synthesis reaction process, as well as the characteristics and uses of the products are listed.
And pyrazolone color lake pigments are characterized by yellow color, good heat resistance, light resistance, migration resistance, bright color, strong coloring power.