Disclosed is an azo compound represented by Formula (I),
in which R1 is hydrogen or methyl, R2 is hydrogen or methyl, and R3 is hydrogen, an unsubstituted linear alkyl group of from 1 to 4 carbon atoms, or an unsubstituted branched alkyl group of from 1 to 4 carbon atoms. This disclosure also provides a black dye composition including the azo compound represented by Formula (I).
本发明公开了一种由式 (I) 表示的偶氮化合物、
其中 R1 是氢或甲基,R2 是氢或甲基,R3 是氢、1 至 4 个碳原子的未取代直链烷基或 1 至 4 个碳原子的未取代支链烷基。本公开还提供了一种黑色
染料组合物,包括由式(I)代表的偶氮化合物。