| | Types of dye | Dye properties | Dye applications | Dye noxiousness | Examples |
| | Acidic | Anionic, water-soluble | Wool, silk, ink-jet printing, nylon, paper, and leather | Carcinogenic | Acid red 183 (AR-183), acid orange 10 (AO-10), acid red 18 (AR-18), sunset yellow (SY), acid green 27 (AG-27), methyl orange (MO), amido black 10B (AB-10B), and indigo carmine (IC) | | Cationic | Water-soluble and releases colour cations | Antiseptic for biomedicine, paper, PAN, treated polyesters, and nylon | Carcinogenic | Methyl blue (MB), basic violet 10 (BV-10), Janus green (JG), basic green 5 (BG-5), and rhodamine 6G (R-6G) | | Disperse | Nonionic, for aqueous/hydrophobic dispersions, and water-insoluble | Nylon, polyester, acrylic fibers, cellulose (CLL), and CLL acetate | Skin allergenic and carcinogenic | Disperse orange 3 (DO-3), disperse red (DR), disperse red 1 (DR-1), and disperse yellow 1 (DY-1) | | Direct | Water-soluble, anionic, and chelate with metal salts | Cotton, paper, leather, and regenerated CLL | Cancer of bladder | Congo red (CR), direct red 23 (DR-23), and direct blue 86 (DB-86) | | Reactive | Generates brighter colours and a high wash grip due to the covalent bond to the fibers | Wool, cotton, ink-jet printing of textiles, and nylon | Dermatitis, conjunctivitis allergic reaction, rhinitis, and work-related asthma | Reactive black 5 (RB-5), reactive green 19 (RG-19), reactive blue 4 (RB-4), reactive red 195 (RR-195), reactive red 198 (RR-198), reactive red 120 (RR-120), reactive blue, and 19 (RB-19) | | Vat | Water-insoluble and reduction into weakly acidic leucon form by NaOH | CLL and fibers | | Vat blue 4, (VB-4), vat green 11 (VG-11), vat orange 15 (VO-15), vat orange 28 (VO-28), and vat yellow 20 (VY-20) |
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