A review on classifications, recent synthesis and applications of textile dyes

The classification of textile dyes has become essential due to the remarkable increase in the type and number of dyes. The structural classification of these dyes can be determined by the following functional groups: Anthraquinone, azo, phthalocyanine, sulfur, indigo, nitro, nitroso, etc. taking into account their chemical structures. Another classification was based on the method of applying these dyes on an industrial scale. The dyes are...