Polyazo compound and method for dyeing or textileprinting fiber material using the same
A polyazo compound represented by the following formula (I): STR1 wherein A represents unsubstituted phenylene or naphthylene; PA1 E represents hydroxynaphthylene; PA1 m, m1 and m3 independently represent an integer of 0 or 1; PA1 B and B1 represents hydrogen atom, --SO2 -Z in which Z represents --CHCH2 or --CH2 CH2 Y in which Y represents a group eliminatable by an action of an alkali, or a substituted triazine group, etc.