Chrysophenine is a yellow water-soluble disazo stilbene dye, also known as Direct Yellow 12 or Chrysophenine G. The chemical formula is C30H26N4Na2O8S2. == Synthesis == Chrysophenine is obtained by reacting Brilliant Yellow with chloroethane, which converts the two hydroxyl groups of Brilliant Yellow into ether groups.
Chrysophenine is a yellow water-soluble disazo stilbene dye, also known as Direct Yellow 12 or Chrysophenine G. The chemical formula is C30H26N4Na2O8S2. == Synthesis == Chrysophenine is obtained by reacting Brilliant Yellow with chloroethane, which converts the two hydroxyl groups of Brilliant Yellow into ether groups.
Source: Wikipedia "Chrysophenine" · CC BY-SA 4.0
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