indigoid

indigoid

(ˈɪndɪˌɡɔɪd)
adj
(Dyeing) of, concerned with, or resembling indigo or its blue colour
n
(Dyeing) any of a number of synthetic dyes or pigments related in chemical structure to indigo

in•di•goid

(ˈɪn dɪˌgɔɪd)

adj.
1. of or pertaining to the group of vat dyes having a molecular structure similar to that of indigo.
n.
2. an indigoid substance.
[< German (1908); see indigo, -oid]
References in periodicals archive ?
Dye Class 1 Acid red 27 Monoazo sulphone 2 Acid blue 74 Indigoid 3 Acid red 2(MR) ** Acid monoazo 4 Acid red 52 Acid sulphone monoazo 5 Acid orange 7 Vinylsulphone monoazo 6 Acid black 210 Vinyl sulphone triazo 7 Direct yellow 12 Diazo sulphone 8 Reactive red 195 Diazo sulphone 9 Reactive black 5 Vinyl sulphone diazo 10 Reactive yellow 145 Monoazo sulphone Sr.
Photochemical and photocatalytic degradiation of an indigoid daye : a case study of acid blue 74(AB74).
8,685,419 B2; L'Oreal, Paris, has been awarded a patent for a cosmetic composition that is comprised of, in an cosmetically acceptable medium, at least one colorant comprising an inorganic fibrous matrix with tunnels; and at least one organic dye compound incorporated at least partially in the tunnels; wherein at least 30% of the total weight amount of organic dye is included in the channels of the fibrous matrix, the organic dye compound is an indigoid, and a weight ratio of organic dye compound to inorganic fibrous matrix is greater than or equal to 0.
The azo anthraquinone, sulfur, indigoid, triphenylmethyl and phthalocyanine derivatives are the most frequently used dyes on industrial scale.
Photochemical and photocatalytic degradation of an indigoid dye: a case study of acid blue 74 (AB74)," Journal Photoch.
trunculus are species-specific and not related to ecology, as considered before, and that the dye had the chemical properties of indigoid pigments.
1994), used as herbicide and in synthesis of various organic compounds such as carboxymethylcellulose, phenoxyacetic acid, thioglycolic acid, glycine and indigoid dye (Bhat et al.
Dye plants include natural chromogenes such as indigoid, anthraquinones, naphthaquinones, phenalones, anthocyanins, tannis, carotenoids and chlorophyll that allow the various pigment colours to be obtained [3].
Tailor-made solutions/segmentation Innovations and value-adding benefits Table 2: Color Index Numbers Are Related to Chromophores Chromophore CI Number Azo (CI 11XXX-35XXX) Triarylmethane (CI 42XXX-44XXX) Xanthene (CI 45XXX) Quinoline (CI 47XXX) Anthraquinone (CI 58XXX-72XXX) Indigoid (CI 73XXX) Phthalocyanine (CI 74XXX) Inorganic (CI 77XXX)
In general, animal dyes were best analysed at 275 nm, whereas 255 nm was the optimal detection wavelength for vegetal mordant dyes and 288 nm for indigoids [18].