xanthone

Definitions:

  • Dihydroxybenzophenone anhydrid; a colorless compound, , prepared by the oxidation of methylenedipheny-lene oxid. It crystallizes in long needles, melts at 173–174° C., boils at 349–350° C., is volatile with steam, and is the parent substance of a considerable number of natural coloring matters.
  • An <xref>aromatic</xref> <xref>ketone</xref>, 9-oxo-xanthene, that is used as an <xref>insecticide</xref>.
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