Indophenol

In`do*phe"nol

(?), n. [Indigo + phenol.] (Chem.) Any one of a series of artificial blue dyestuffs, resembling indigo in appearance, and obtained by the action of phenol on certain nitrogenous derivatives of quinone. Simple indophenol proper, the parent compound of the dye series, is a quinonimine derivative with the formula C12H9NO2.
[1913 Webster +PJC]

 

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Sun 16th December 2018