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Related to indigotin: Indigofera tinctoria, anil


(in'di-gō), [C.I. 73000]
A blue dyestuff obtained from Indigofera tinctoria, and other species of Indigofera (family Leguminosae); also made synthetically.
Synonym(s): indigo blue, indigotin
[L. indicum, fr. G. indikon, indigo, ntr. of Indikos, Indian]
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After several hours, blue foam dramatically appears on the liquid's surface, indicating the formation of indigo, sometimes referred to as "indigotin".
Many chemical compounds are found in IR, including indigotin, indirubin, isatin, isaindigotidione, organic acids, and amino acids (Wu et al.