abstract |
The invention relates to new monoazo compounds of the formula (1) DOLLAR F1, where DOLLAR AR means H or Cl, DOLLAR AM · 2 + · means Ca · 2 + · or Sr · 2 + ·, DOLLAR AY¶1¶ = H and Y ¶2¶ = SO¶3¶ · - · or Y¶1¶ = SO¶3¶ · - · and Y¶2¶ = H. DOLLAR A The compounds of formula (1) are distinguished by high color strength and high light fastness. |