An object is to provide an azo pigment having excellent color reproducibility, dispersibility and stability of a pigment dispersion and excellent hue and tinctorial strength.
A pigment dispersion including an azo pigment or a tautomer thereof represented by the following Formula (1) and having characteristic X-ray diffraction peaks at Bragg angles (2θ ± 0.2°) of 4.8°, 7.2° and 9.7° in a CuKα characteristic X-ray diffraction.
目的是提供一种具有优异的色彩重现性、分散性和
颜料分散体稳定性,以及优异的色相和
锡宽容度的偶氮
颜料。
一种
颜料分散体,包括由下式(1)表示的偶氮
颜料或其同系物,在 CuKα 特征 X 射线衍射中,其特征 X 射线衍射峰的布拉格角(2θ ± 0.2°)分别为 4.8°、7.2° 和 9.7°。