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 6.5°, 7.1° and 21.8° in the CuKα characteristic X-ray diffraction.
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 6.5°、7.1° 和 21.8°。