indigotic, a.
(ɪndɪˈgɒtɪk)
[f. as indigotin + -ic.]
Of, pertaining to, or produced from indigo; indigotic acid, C7H5(NO2)O3, prepared by treating indigotin with oxidizing agents; = anilic acid.
| 1838 T. Thomson Chem. Org. Bodies 141 Indigotic acid has been given in the Chemistry of Inorganic bodies. 1866 Odling Anim. Chem. 121 By boiling indigo for a long time with oxidising agents, and by treating salicic acid with strong nitric acid, we obtain identically the same product, which has received the names of anilic, indigotic, and nitro⁓salicic acid. 1876 tr. Schützenberger's Ferment. 118 We ought to add previously to the yellow indigotic liquid a sufficient quantity of a diluted solution of ammonia. |