Patent ID: 6022956
Filing Date: 2000-02-08
Classification: C09B

Abstract:
A monoazo compound of the general formula (1) ##STR12## where: M is hydrogen or an alkali metal;m is 1, 2 or 3;X is chlorine or fluorine;R.sup.0 is hydrogen or carboxyl;R is alkyl of 1 to 4 carbon atoms or alkyl of 1 to 4 carbon atoms which is substituted by hydroxyl, carboxyl, sulfo, sulfato, phosphate, chlorine, alkanoyloxy of 2 to 5 carbon atoms or alkoxy of 1 to 4 carbon atoms;R.sup.1 is hydrogen, alkyl of 1 to 4 carbon atoms, which may be substituted, or is alkoxy of 1 to 4 carbon atoms, which may be substituted, or is alkanoylamino of 2 to 5 carbon atoms, optionally substituted benzoylamino or halogen;R.sup.2 is hydrogen, carboxyl or sulfo; the one --SO.sub.3 M group in the aminonaphthol radical is disposed meta or para relative to the amino group.