1 The Development of Dyes.- 1.1 Introduction.- 1.2 Pre-Perkin Era — The Natural Dyes.- 1.3 Perkin and Beyond — The Synthetic Dyes.- 1.4 Future Trends.- 1.5 Summary.- 1.6 Bibliography.- 2 Classification and Synthesis of Dyes.- 2.1 Introduction.- 2.2 Classification of Dyes.- 2.3 Synthesis of Dye Intermediates.- 2.4 Synthesis of Dyes.- 2.5 Summary.- 2.6 Bibliography.- 3 Azo Dyes.- 3.1 Introduction.- 3.2 Basic Structure of Azo Dyes.- 3.3 Tautomerism.- 3.4 Metal Complex Azo Dyes.- 3.5 Colour and Constitution.- 3.6 Summary.- 3.7 Bibliography.- 4 Anthraquinone Dyes.- 4.1 Introduction.- 4.2 Structure of Anthraquinone Dyes.- 4.3 Tautomerism.- 4.4 Protonated and Ionised Anthraquinone Dyes.- 4.5 Metal Complexed Anthraquinone Dyes.- 4.6 Colour and Constitution.- 4.7 Summary.- 4.8 Bibliography.- 5 Miscellaneous Dyes.- 5.1 Introduction.- 5.2 Vat Dyes.- 5.3 Indigoid Dyes.- 5.4 The Phthalocyanines.- 5.5 Polymethine Dyes.- 5.6 Di- and Tri-aryl Carbonium Dyes and their Derivatives.- 5.7 Nitro (and Nitroso) Dyes.- 5.8 Summary.- 5.9 Bibliography.- 6 Application and Fastness Properties of Dyes.- 6.1 Introduction.- 6.2 Textile Fibres — Types and Structures.- 6.3 Application and Wet Fastness of Dyes.- 6.4 Light Fastness of Dyes.- 6.5 Photochromism.- 6.6 Heat Fastness of Dyes.- 6.7 Bleach Fastness of Dyes.- 6.8 Metamerism.- 6.9 Solvatochromism.- 6.10 Summary.- 6.11 Bibliography.- Appendix I.- Appendix II.- Author Index.