56978-61-1Relevant articles and documents
Barium laked phenylazonaphthalene dye containing sulfonic acid groups
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, (2008/06/13)
Azo dyes containing sulfonic acid groups laked with barium and derived from an anilinesulfonic acid as diazo component and a β-naphtholsulfonic acid as coupling component for example a dye of the formula STR1 The dyes are eminently suitable as pigments for coloring surface coating compositions, printing inks and particlarly resins.