abstract |
A dye represented by a free acid of the formula, ##STR1## wherein A is ##STR2## in which Z is --CH 2 CH 2 OSO 3 H or --CH═CH 2 . This dye is usable for dyeing cellulose fibers in brilliant red color with good fastness, particularly, too chlorine, light and perspiration-light and possesses level dyeing properties. |