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Vat dyes are a class of dyes that are classified as such because of the method by which they are applied. Vat dyeing is a process that refers to dyeing that takes place in a bucket or vat. The original vat dye is indigo , once obtained only from plants but now often produced synthetically.
Vat Blue 36 is a vat dye that is chemically related to indigo. It is produced by condensation of 4-methyl-5-chloro-7-methoxy-3-indolinone and 5,7–dichloro-3-(2H)-thianaphthenone . [ 1 ]
Indanthrone is utilized as a blue pigment (C.I. Pigment Blue 60), primarily in the process of vat dyeing, often referred to as C.I. Vat Blue 4. [8] Indanthrone is a vat dye, synthesized to provide highest color fastness for the dyeing and printing of predominantly cellulose-based textile fibers. Fabrics dyed with indanthrene fulfill the highest ...
One of the most important anthraquinone dyes of herbal origin is alizarin, which is extracted from the dyer's madder (Rubia tinctorum). Alizarin is the eponym for a number of structurally related dyes that use alizarin dyes (sometimes synonymous with anthraquinone dyes). It was the first natural dye for which an industrial synthesis was ...
Vat yellow 4 Golden Yellow GK ... Chemical formula. C 24 H 12 O 2: Molar mass: 332.358 g·mol −1 ... Dibenzpyrenequinone is a synthetic vat dye.
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Vat Yellow 1 is a vat dye, yellow in appearance under some conditions used in cloth dyeing. [1] Its synonyms are flavanthrone and Indofast Yellow, and it is in the class of anthraquinone -type compounds.
Chemical formula. C 36 H 20 O 4: Molar mass: ... Vat Green 1 is an organic compound that is used as a vat ... Vat Green 1 can dye viscose, silk, wool, paper, and soap ...