Direct Blue 1
Direct Blue 1 is an organic compound that is one of many azo dyes. This salt is used as a substantive dye A substantive dye or direct dye is a dye that adheres to its substrate, typically a textile, by non-ionic forces. Overview The amount of this attraction is known as "substantivity": the higher the substantivity the greater the attraction of th ... for textiles with high contents of cellulose, i.e. cotton. It is prepared by the azo coupling of the aminonaphthalene and diazotized derivative of ''o''-dianisidine.Klaus Hunger, Peter Mischke, Wolfgang Rieper, Roderich Raue, Klaus Kunde, Aloys Engel: "Azo Dyes" in ''Ullmann’s Encyclopedia of Industrial Chemistry'', 2005, Wiley-VCH, Weinheim.. References Azo dyes Naphthalenes Phenol ethers Sulfonates Organic sodium salts {{organic-compound-stub ...
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