Azo dyes, their preparation and use

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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Details

260154, 260156, 260146R, 260146D, 260146T, C09B 2922, C09B 2936, C09B 3114

Patent

active

042833310

ABSTRACT:
Azo dyes of the formula ##STR1## in which D is the sulfo group-containing radical of an aromatic or heterocyclic diazo component, which can be further substituted and itself can contain an azo bridge, R.sub.1 and R.sub.2 independently of one another are each a hydrogen atom or a substituted or unsubstituted alkyl or aryl radical and X is a substituted or unsubstituted alkyl or alkenyl radical, and their heavy metal complexes, it being possible for the azo dyes of the formula (1) and their heavy metal complexes to contain reactive radicals.

REFERENCES:
patent: 4039523 (1977-08-01), Hegar

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