indigoid dye

indigoid dye

[′in·də‚gȯid ‚dī]
(organic chemistry)
Any of the vat dyes with C16H10O2N2(indigo) or C16H8S2O2(thioindigo) groupings; used to dye cotton and rayon, sometimes silk.
References in periodicals archive ?
Identification of the coloring constituents of four natural indigoid dyes.
The analysis of indigoid dyes by mass spectrometry.
HPLC analysis of the natural scale insect, madder, and indigoid dyes.
The chemical composition of the indigoid dyes derived from the hypobranchial glandular secretions of Murex mollusks.