| 摘要 |
The present invention provides a disazo compound which in a free acid form is represented by the formula (1) and which has high ability to dye cellulosic fibers and attains efficient dyeingwith satisfactory reproducibility; and a method of dyeing cellulosic fibers with the compound. Also provided are: a reactive dye composition comprising a compound represented by the formula (1) and a specific red reactive dye and/or a specific blue reactive dye; and a method of dyeing cellulosic fibers with the composition. <CHEM> In the formula, R1 and R3 each represents hydrogen atom or methoxy group; R2 and R4 each represents hydrogen atom, methyl group, acetylamino group, ureido group, etc.; and m is 2 or 3. |
