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Acid dyes - History

In 1868, the earliest acid dyes triaromatic methane acid dyes appeared, which had strong dyeing ability but poor fastness.

In 1877, the first acid dye, acid red A, was synthesized and its basic structure was determined.

After 1890, anthraquinone structure of acid dyes invented, its chromatography is more and more complete;

Up to now, there are nearly hundreds of acid dyes, which are widely used in dyeing wool, silk, nylon and other fibers.

Hangzhou Chungyo Chem Co., Ltd.


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