cochinelic acid

English

Noun

cochinelic acid (uncountable)

1. (organic chemistry) An organic compound: C₁₀H₈O₇, derived from phenylhydrazone.
   • 1902, Ernest John Parry, John Henry Coste, The Chemistry of Pigments, page 202:

     These have been termed cochinic acid C₉H₈O₅, a body very soluble in alcohol, but nearly insoluble in water, melting at 293° with decomposition : and cochinelic acid, C₁₀H₈O₇, which forms crystalline needles melting at 224° to 225°.

   • 1909, Journal of the Chemical Society, page 486:

     When heated with sulphuric acid, this dicarboxylic acid forms cochinelic acid and carbon dioxide.

   • 1922, Victor von Richter, Richard Anschütz, Georg Schroeter, Organic Chemistry: Or, Chemistry of the Carbon Compounds:

     ...on heating with concentrated H₂SO₄, decomposes into CO and the so-called cochinelic acid , C₁₀H₈O₇.