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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 ]
Anthraquinone dyestuffs are structurally related to indigo dyestuffs and are classified together with these in the group of carbonyl dyes. [2] Members of this dye group can be found in natural dyes as well as in synthetic dyes. Anthraquinone dyestuffs are represented in mordant and vat, but also in reactive and disperse dyes.
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 ...
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. [2] [better source needed]
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Furthermore, the quality of the new dyes increased. Chemist Rene Bohn developed a brilliant blue vat dye, indanthrone, with excellent color fastness in 1901. BASF(Badische Anilin und Soda Fabrik), the largest manufacturer of vat dyes, sold it as Indanthren Blue RS, along with the synthetic indigo they placed on the market in 1897. [19]
Vat golden yellow RK Vat orange 1 59105 anthraquinone 1324-11-4: Vat Yellow 1: Flavanthrone Indofast yellow Vat yellow 1 70600 anthraquinone 475-71-8: Vat yellow 2 Vat yellow 2 67300 anthraquinone 129-09-9: Victoria blue 4R Basic blue 8 42563 triarylmethane 2185-87-7: Victoria blue B Basic blue 26 44045 triarylmethane 2580-56-5: Victoria blue ...