Sulfo group-containing basic azo compounds having a central 1,3,5-triazine ring and two terminal 1-hydroxynaphthyl-2 groups and 1:1 and 1:2 metal complexes therof

摘要: Metal-free compounds of the formula ##STR1## and 1:1 1:2 metal complexes thereof, salts metal-free complexes, where R is hydrogen, --SO 3 H or --NR 5 6 ; a hydrogen 1 halogen, --OH, C 1-4 alkyl, alkoxy H; alkyl; 4 alkoxy, phenyl, --NH 2 , an aliphatic, cycloaliphatic aromatic amino group, heterocyclic group containing to hereto atoms hydrazino organic radical, are useful as cationic dyes for dyeing printing fibers, threads textile materials comprising, example, natural regenerated cellulosic material such cotton, modified synthetic polyamide polyester, homo- co-polymer acrylonitrile 1,1-dicyanoethylene, bast fibers hemp particularly paper leather.