| abstract |
A monoazo disperse dye for dyeing polyester fibers of the following formula (I): <IMAGE> (I) wherein one of R1 and R2 is <IMAGE> wherein W is hydrogen, halogen, C1-C2 alkyl or alkoxy, the other of R1 and R2 is C1-C4 alkyl, or C2-C4 alkyl substituted by cyano, halogen, hydroxy, hydroxyalkoxy, C1-C4 alkoxy, hydroxyalkoxyalkoxy, acetoxalkoxy, acyloxyalkoxyalkoxy alkoxyalkoxy, alkoxycarbonyloxy or acetoxy, and Y is hydrogen or halogen. |