2-Substituted para-aminophenols of general formula: ##STR1## where Y denotes oxygen or sulphur and R denotes a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl or C.sub.1 -C.sub.6 haloalkyl or a C.sub.2 -C.sub.6 polyhydroxyalkyl, provided that when Y=O, R is not methyl or ethyl and when Y=S, R is not ethyl; and dye composition containing one or more compounds of formula (I) where Y denotes an oxygen or sulphur atom and R is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl, C.sub.1 -C.sub.6 haloalkyl or C.sub.2 -C.sub.6 polyhydroxyalkyl.
通式为:##STR1## 其中,Y代表氧或
硫,R代表C.sub.1-C.sub.6烷基,C.sub.1-C.sub.6羟基烷基或C.sub.1-C.sub.6卤代烷基或C.sub.2-C.sub.6多羟基烷基,但当Y=O时,R不是甲基或乙基,当Y=S时,R不是乙基;以及含有一个或多个通式(I)化合物的
染料组合物,其中Y代表氧或
硫原子,R是C.sub.1-C.sub.6烷基,C.sub.1-C.sub.6羟基烷基,C.sub.1-C.sub.6卤代烷基或C.sub.2-C.sub.6多羟基烷基。