A trisazo compound represented by the following formula (I) in the free acid form:
wherein Q is an phenyl or naphthyl group both of which may be unsubstituted or substituted; one of the A and B is hydroxy group and the other is amino group; K is 1 or 2; and one of m and n is 1 and the other is 0; a method for dyeing fiber materials, paper or leather by using the trisazo compounds and an ink containing the trisazo compounds, and the trisazo compound is excellent in solubility, and good in storage stability and free from clogging of nozzle caused by deposition. The ink using the trisazo compound gives a deep black-colored image excellent in clarity, water-durability and durability to light.
游离酸形式的下式 (I) 所代表的三唑类化合物:
其中 Q 是苯基或
萘基,二者可以是未取代的或取代的;A 和 B 中的一个是羟基,另一个是
氨基;K 是 1 或 2;m 和 n 中的一个是 1,另一个是 0;一种使用三唑类化合物对纤维材料、纸张或皮革进行染色的方法,以及一种含有三唑类化合物的墨
水,该三唑类化合物具有优异的溶解性和良好的储存稳定性,并且不会因沉积而堵塞喷嘴。使用
三氮唑化合物的油墨可产生深黑色图像,其清晰度、耐
水性和耐光性都非常出色。