Compounds of the formula: ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R'.sub.5, R'.sub.6, R'.sub.7, R'.sub.8 are hydroxy --NO.sub.2, --CN, --CF.sub.3, --CONH.sub.2, C.sub.1-12 alkyl, phenyl, naphthyl, phenanthryl, anthryl, R.sub.9 R.sub.10 N--, R.sub.9 --O--or R.sub.9 --S--, --CONHR.sub.10, --CONR.sub.9 R.sub.10 in which R.sub.9 and R.sub.10 are C.sub.1 -C.sub.6 -alkyl, C.sub.6 -C.sub.10 -aryl, (C.sub.6 -C.sub.10)-aryl-(C.sub.1 -C.sub.6)-alkyl or (C.sub.1 -C.sub.6)-alkyl-(C.sub.6 -C.sub.10)-aryl, in which the alkyl and/or aryl radicals can optionally be substituted by hydroxyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.6 -C.sub.10 -aryloxy or halogen; and optionally, two adjacent groups can form an isocyclic or heterocyclic group; are eminently suitable for the mass coloring of polymers, in particular polar polymers, for coloring toners, powders and powder coating materials as well as for coloring ink-jet inks.

Mittel der Formel: ## STR1 ## wo R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R'.sub.5, R'.sub.6, R'.sub.7, R'.sub.8 Hydroxyl- sind -- NO.sub.2, --CN, -- CF.sub.3, -- CONH.sub.2, Alkyl C.sub.1-12, Phenyl, Naphthyl, phenanthryl, anthryl, R.sub.9 R.sub.10 N --. R.sub.9 -- O -- oder --S R.sub.9 --. -- CONHR.sub.10, -- CONR.sub.9 R.sub.10, in dem R.sub.9 und R.sub.10 C.sub.1 sind - C.sub.6 - Alkyl, C.sub.6 - C.sub.10 - Aryl, (C.sub.6 - C.sub.10)-aryl-(C.sub.1 - C.sub.6)-alkyl oder (C.sub.1 - C.sub.6)-alkyl-(C.sub.6 - C.sub.10)-aryl, in dem die Alkyl- und/oder Aryl- Radikale durch Hydroxyl beliebig ersetzt werden können, C.sub.1 - C.sub.6 - alkoxy, C.sub.6 - C.sub.10 - aryloxy oder Halogen; und beliebig, können zwei angrenzende Gruppen eine isocyclic oder heterozyklische Gruppe bilden; seien Sie für den Massenfarbton der Polymer-Plastiken, insbesondere polare Polymer-Plastiken, für Farbtontoner, Puder und beschichtende Materialien des Puders sowie für Farbtontintenstrahltinten hervorragend verwendbar.

 
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