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Acid dyes - Characteristic

Acid groups in acid dyes are mainly sulfonic acid group (-so3h), and exist on dye molecules in the form of sodium sulfonate (-so3na). Some dyes also take carboxylate sodium salt (-coona) as acid groups.

It is characterized by good water-solubility, bright color, complete chromatography, relatively simple molecular structure compared with other dyes, the lack of long conjugated coherent system in dye molecules, dyes are less direct.

Hangzhou Chungyo Chem Co., Ltd.


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