List of dyes
This is a list of dyes with Colour Index International generic names and numbers and CAS Registry numbers.
| Common name | Synonyms | C.I. generic name | C.I. number | Class | CAS number |
| Acid Black 52 | Acid Black 52 | 15711 | azo | ||
| Acid Blue AS | Weak Acid Blue | Acid Blue 25 | 62055 | anthraquinone | |
| Acid fuchsin | Acid Magenta Acid Rubin | Acid Violet 19 | 42685 | triarylmethane | |
| Acid orange 3 | Acid orange 3 | 10385 | nitro | ||
| Acid orange 19 | Acid Orange 19 | 14690 | azo | ||
| Acid orange 20 | Orange I | Acid Orange 20 | 14600 | azo | |
| Acid Red 13 | Fast red E | Acid red 13 | 16045 | azo | |
| Acid red 25 | Acid red 25 | 16050 | azo | ||
| Acid red 88 | Fast red A | Acid red 88 | 15620 | azo | |
| Acid Red 95 | Erythrosine Y Diiodofluorescein | Acid red 95 | 45425 | xanthene | |
| Acid Red 151 | 26900 | diazo | |||
| Acridine orange | Euchrysine | Basic Orange 14 | 46005 | acridine | |
| Acridine red 3B | 45000 | pyronin | |||
| Acriflavine | Trypaflavine | 46000 | acridine | | |
| Alcian Blue 8GX | Alcian Blue | Ingrain Blue 1 | 74240 | phthalocyanine | |
| Alcian yellow GXS | Sudan orange | Ingrain yellow 1 | 12840 | azo | |
| Alizarin | Turkey red | Mordant red 11 Pigment red 83 | 58000 | anthraquinone | |
| Alizarin blue | 67410 | anthraquinone | |||
| Alizarin cyanin BBS | Anthracene blue SWX | Mordant blue 23 | 58610 | anthraquinone | |
| Alizarin Red S | alizarin carmine | Mordant red 3 | 58005 | anthraquinone | |
| Alizarin Violet | Gallein | Mordant violet 25 | 45445 | fluorone | |
| Alizarin yellow GG | Mordant yellow 1 | 14025 | azo | ||
| Alizarin yellow R | Mordant orange 1 | 14030 | azo | | |
| Alkali blue | Alkali blue 4B Alkali blue 5B | Acid blue 110 | 42750 | triarylmethane | |
| Alkannin | Anchusin | Natural red 20 | 75530 | natural | |
| Allura Red AC | Food red 17 | 16035 | azo | ||
| Amaranth | Azorubin S | Acid red 27 | 16185 | azo | |
| Amido black 10B | Amidoschwarz Naphthol blue black | Acid black 1 | 20470 | diazo | |
| Aniline black | Pigment black 1 Oxidation base 1 | 50440 | azine | ||
| Aniline Yellow | Sudan yellow R Induline R | Solvent yellow 1 | 11000 | azo | |
| Anthracene blue SWR | Alizarin blue 2RC | Mordant blue 32 | 58605 | anthraquinone | |
| Anthrapurpurin | 1,2,7-Trihydroxyanthraquinone | 58255 | anthraquinone | ||
| Apigenin | Chamomile | Natural yellow 1 | 75580 | natural | |
| Apocarotenal | Food orange 6 | 40820 | carotenoid | ||
| Archil red | Acid red 74 | 13355 | azo | ||
| Astaxanthin | carotenoid | ||||
| Astra blue 6GLL | Astrablau | Basic blue 140 | 743516 | phthalocyanine | |
| Auramine O | Canary yellow | Basic yellow 2 | 41000 | diarylmethane | |
| Aurin | Rosolic acid Corallin | 43800 | triarylmethane | ||
| Aurintricarboxylic acid | ATA | triarylmethane | |||
| Azocarmine B | Acid red 103 | 50090 | quinone-imine | ||
| Azocarmine G | Acid red 101 | 50085 | quinone-imine | ||
| Azo-eosin | Azoeosin G | Acid red 4 | 14710 | azo | |
| Azo Fuchsine 6B | Acid violet 7 | 18055 | azo | ||
| Azophloxine | Red 2G Azogeranin B Amidonaphthol red G | Acid red 1 Food red 10 | 18050 | azo | |
| Azorubine | Acid red 14 Food red 3 | 14720 | azo | ||
| Azo violet | Magneson I | azo | |||
| Azure A | Methylene azure A | 52005 | thiazin | ||
| Azure B | Methylene azure B | 52010 | thiazin | ||
| Azure C | Methylene azure C | 52002 | thiazin | ||
| Basic Black 2 | Basic black 2 | 11825 | azo | ||
| Basic Red 18 | Basic red 18 | 11085 | azo | ||
| Benzanthrone | Solvent yellow 182 | 589005 | benzanthrone | ||
| Benzo scarlet 4BNS | Amyloid red | Direct red 72 | 29200 | diazo | |
| Benzyl violet | FD&C violet No. 1 | Acid violet 49 Food violet 2 | 42640 | triarylethlamine | |
| Berberine | Umbellatine | Natural yellow 18 | 75160 | natural | |
| Betanin | Beetroot red | natural | |||
| Biebrich scarlet | Croceine scarlet Ponceau B | Acid red 66 | 26905 | diazo | |
| Bismarck brown R | Vesuvine brown | Basic brown 4 | 21010 | diazo | |
| Bismarck brown Y | Vesuvine BA Phenylene brown Manchester brown | Basic brown 1 | 21000 | diazo | |
| Black 7984 | Food black 2 | 27755 | diazo | ||
| Blue MX-R | Reactive blue 4 | 61205 | anthraquinone | ||
| BODIPY | Dipyrrometheneboron difluoride | ||||
| Brazilin/Brazilein | Natural red 24 | 75280 | natural | ||
| Brilliant Black BN | Food Black 1 | 28440 | diazo | ||
| Brilliant blue FCF | Erioglaucine FD&C Blue No. 1 | Acid blue 9 Food blue 2 | 42090 | triarylethlamine | |
| Brilliant cresyl blue | Cresyl blue BBS | Basic dye | 51010 | oxazin | |
| Brilliant green | Malachite green G Zeylonka | Basic green 1 | 42040 | triarylmethane | |
| Bromsulfthalein | BSP | triarylmethane | |||
| Bromocresol green | BCG | triarylmethane | |||
| Bromocresol purple | BCP | triarylmethane | |||
| Bromodeoxyuridine | BDU | ||||
| Bromophenol blue | BPB Albutest | triarylmethane | |||
| Bromopyrogallol red | Dibromopyrogallosulfonphthalein | triarylmethane | |||
| Bromothymol blue | BTB | triarylmethane | |||
| Brooker's merocyanine | MOED | merocyanine | |||
| Brown FK | Kipper brown | Food Brown 1 | azo | ||
| Brown HT | Chocolate brown HT | Food Brown 3 | 20285 | diazo | |
| Brown MX-5BR | Reactive brown 10 | 179060 | azo | ||
| Cadmium acetate | 77185 | inorganic | |||
| Calcofluor white | Fluorescent brightener 28 | 40622 | stilbene | ||
| Calconcarboxylic acid | Patton and Reeder's indicator | azo | |||
| Canthaxanthin | Food orange 8 | 40850 | carotenoid | ||
| Capsanthin | Paprika | Natural red 34 | 75133 | natural | |
| Capsorubin | carotenoid | ||||
| 6-Carboxyfluorescein | 6-FAM | fluorone | |||
| Carmine | Cochineal Carminic acid | Natural red 4 | 75470 | natural | |
| Carthamin | Carthamine | Natural red 26 | 75140 | natural | |
| Celestin blue | Mordant blue 14 | 51050 | oxazin | ||
| Chrome Azurol S | Alberon | Mordant blue 29 | 43825 | triarylmethane | |
| Chrome fast yellow 8GL | Luxine pure yellow 6G | Mordant yellow 33 | 56210 | aminoketone | |
| Chrome violet CG | Aluminon | Mordant violet 39 | 43810 | triphenylmethane | |
| Chromium chloride | Chromic chloride | 77295 | inorganic | ||
| Chromium sulfate | 77305 | inorganic | |||
| Chromotrope 2R | Carmoisine 6R | Acid red 29 | 16570 | azo | |
| Chromoxane Cyanin R | Solochrome cyanin R Alizarol cyanin R Eriochrome cyanin R | Mordant blue 3 | 43820 | triphenylmethane | |
| Chrysoidine R | Basic orange 1 | 11320 | azo | ||
| Chrysoidine Y | Basic orange 2 | 11270 | azo | ||
| Chrysophanol | Turkey rhubarb | Natural yellow 23 | 75400 | anthraquinone | |
| Ciba blue | Tetrabromoindigo | Vat blue 5 | 73065 | indigoid | |
| Cibacron Blue F3GA | Procion Blue HB | Reactive blue 2 | 61211 | anthraquinone | |
| Citrus Red 2 | Citrous red No. 2 | Solvent red 80 | 12156 | azo | |
| Congo corinth | Erie garnet B | Direct red 10 | 22145 | diazo | |
| Congo red | Cotton red | Direct red 28 | 22120 | diazo | |
| Coomassie brilliant blue | Brilliant blue R | Acid blue 83 | 42660 | triarylmethane | |
| Cotton scarlet | Acid red 73 | 27290 | diazo | ||
| Coumarin 7 | Disperse yellow 82 Solvent yellow 145 Solvent yellow 185 | 551200 | coumarin | ||
| Crystal violet | Gentian violet Methyl violet 10B | Basic violet 3 | 42555 | triarylmethane | |
| Cudbear | Orcein archil lacmus | Natural red 28 | 758600 | natural | |
| Curcumin | Natural yellow 3 | 75300 | natural | ||
| D&C Red 33 | Azo fuchsine | Acid red 33 | 17200 | azo | |
| o-Dianisidine | Disperse black 6 | 24110 | diazo | ||
| Dibenzpyrenequinone | Vat golden yellow GK | Vat yellow 4 | 59100 | anthraquinone | |
| Dibromoanthanthrone | Vat brilliant orange 3RK | Vat orange 3 Pigment red 168 | 59300 | anthanthrone | |
| 2,5-Dichlorobenzenediazonium | Fast Scarlet GG | Azoic diazo component 3 | 37010 | diazonium salt | |
| Dichlorophenolindophenol | DCPIP | ||||
| Direct blue 218 | Direct blue 218 | 24401 | diazo | ||
| Direct brown 2 | Direct brown 2 | 22311 | diazo | ||
| Direct sky blue 5B | Direct sky blue FB | Direct Blue 15 | 22400 | diazo | |
| Direct sky blue 6B | Direct sky blue FF | Direct Blue 1 | 24410 | diazo | |
| Direct yellow 4 | Brilliant fast yellow | Direct yellow 4 | 24890 | diazo | |
| Direct yellow 106 | Brilliant fast yellow | Direct yellow 106 | 40300 | stilbene | |
| Disperse blue 1 | 1,4,5,8-Tetraaminoanthraquinone | Disperse blue 1 Solvent blue 18 | 64500 | anthraquinone | |
| Disperse blue 124 | Disperse blue 124 | 111938 | azo | ||
| Disperse Orange 1 | 4-anilino-4'-nitroazobenzene | Disperse orange 1 | 11080 | azo | |
| Disperse orange 3 | Disperse orange 3 Solvent orange 9 | 11005 | azo | ||
| Disperse orange 11 | 1-Amino-2-methylanthraquinone | Disperse orange 11 Solvent orange 35 | 60700 | anthraquinone | |
| Disperse orange 13 | Seriplas Orange BL | Disperse orange 13 Solvent orange 52 | 26080 | diazo | |
| Disperse red 1 | Disperse red 1 Solvent red 14 | 11110 | azo | ||
| Disperse Red 9 | 1-anthraquinone | Disperse red 9 Solvent red 111 | 60505 | anthraquinone | |
| Disperse Red 11 | 1,4-diamino-2-methoxyanthraquinone | Disperse red 11 | 62015 | anthraquinone | |
| Disperse Red 60 | 1-amino-4-hydroxy-2-phenoxyanthraquinone | Disperse red 60 | 60756 | anthraquinone | |
| Disperse Yellow 3 | Disperse yellow 3 Solvent yellow 77 Solvent yellow 99 | 11855 | azo | ||
| Disperse Yellow 26 | Disperse yellow 26 | 10348 | nitrodiphenylamine | ||
| Disperse Yellow 42 | Disperse yellow 42 | 10338 | nitrodiphenylamine | ||
| Durazol blue 8G | Direct blue 86 | 74180 | phthalocyanine | ||
| Ellagic acid | Alizarine yellow | 75270 | natural | ||
| Eosin B | Eosine bluish Imperial red | Acid red 91 | 45400 | fluorone | |
| Eosin Y ws | Eosine yellowish Bromoeosine Tetrabromofluorescein | Acid red 87 | 45380 | fluorone | |
| Eriochrome Black T | Chrome black | Mordant black 11 | 14645 | azo | |
| Erythrosin B | Red No. 3 Food red 14 | Acid red 51 | 45430 | fluorone | |
| Ethyl eosin | Alcohol soluble eosin | Solvent red 45 | 45386 | fluorone | |
| Ethyl β-apo-8′-carotenoate | Carophyll yellow | Food orange 7 | 40825 | carotenoid | |
| Ethyl Green | 42590 | triarylmethane | |||
| Ethyl violet | Basic violet 4 | 42600 | triarylmethane | ||
| Evans blue | Azovan blue | Direct blue 53 | 23860 | azo | |
| Fast red B | Red B base | Azoic diazo component 5 | 37125 | diazonium salt | |
| Fast blue B | Azoic diazo component 48 | 37235 | diazonium salt | ||
| Fast Green FCF | Food green 3 | 42053 | triarylmethane | ||
| Fast Yellow AB | Acetyl yellow | Acid yellow 9 Food yellow 2 | 13015 | azo | |
| Flavazine L | Acid yellow 11 | 18820 | azo | ||
| Fluoran | triarylmethane | ||||
| Fluorescein | Solvent yellow 94 | 45350 | fluorone | ||
| Food orange 7 | Food orange 7 | 40825 | carotenoid | ||
| Fuchsine | Basic fuchsin Rosalinin Magenta I | Basic violet 14 | 42510 | triarylmethane | |
| Gallamin blue | Mordant blue 45 | 51045 | oxazin | ||
| Gallocyanin | Mordant blue 10 | 51030 | oxazin | ||
| Gossypetin | 75750 | natural | |||
| Green S | Acid green 50 Food green 4 | 44090 | triarylmethane | ||
| Guinea green B | Guinea green | Acid green 3 Food green 1 | 42085 | triarylmethane | |
| Hematoxylin/Hematein | Natural black 1 | 75290 | natural | ||
| Hofmann's Violet | Dahlia Primula | 42530 | triarylmethane | ||
| Hydroxynaphthol blue | azo | ||||
| Indigo | Indigo blue | Vat blue 1 | 73000 | indigoid | |
| Indigo carmine | Indigo | Acid blue 74 | 73015 | indigoid | |
| Indigo carmine | Natural blue 2 Food blue 1 | 75781 | natural | ||
| Indocyanine green | Cardiogreen | cyanine | |||
| Induline | Solvent blue 7 | 50400 | azine | ||
| Iodine green | 42556 | triarylmethane | |||
| Isosulfan blue | Patent blue violet | Acid blue 1 Food blue 3 | 42045 | triarylmethane | |
| Janus Green B | Union green B | Basic dye | 11050 | azo | |
| Juglone | Oil red BS Black walnut | Natural brown 7 | 75500 | natural | |
| Kaempferol | Rhamnolutein | Natural yellow 13 | 75640 | natural | |
| Kermes | Kermesic acid | Natural red 3 | 75460 | natural | |
| Lac | Shellac Laccaic acid Xanthokermesic acid | Natural red 25 | 75450 | natural | |
| Lanosol yellow 4G | Reactive yellow 39 | 18976 | azo | ||
| Lawsone | Hennotannic acid Henna | Natural orange 6 | 75480 | natural | |
| Light green SF yellowish | Acid green Lissamine green SF | Acid green 5 | 42095 | triarylmethane | |
| Lissamine fast red | Acid red 37 | 17045 | azo | ||
| Lissamine flavine FF | Brilliant acid yellow 8G Fenazo yellow XX Brilliant sulpho flavine FF | Acid yellow 7 | 56205 | aminoketone | |
| Lissamine rhodamine B | Kiton rhodamine B Sulphorhodamine B Xylene red B | Acid red 52 | 45100 | xanthene | |
| Lithol Rubine BK | Pigment red 57 | 15850 | azo | ||
| Luteolin | natural | ||||
| Luxol fast blue MBS | Solvent blue 38 Direct blue 86 | 74180 | phthalocyanine | ||
| Malachite green | Victoria green B Diamond green B | Basic green 4 | 42000 | triarylmethane | |
| Martius yellow | Naphthol yellow | Acid yellow 24 | 10315 | nitro | |
| Mauveine | Mauve | Mauveine basic dye | 50245 | safranin | |
| Meldola blue | Phenylene blue | Basic blue 6 | 51175 | oxazine | |
| Metacresol purple | m-cresolsulfonphthalein | triarylmethane | |||
| Metanil yellow | Tropaeolin G | Acid yellow 36 | 13065 | azo | |
| Methyl blue | Cotton blue Helvetia blue | Acid blue 93 | 42780 | triarylmethane | |
| Methyl green | Light green | Basic blue 20 | 42585 | triarylmethane | |
| Methyl orange | Acid orange 52 | 13025 | azo | ||
| Methyl red | Acid red 2 | 13020 | azo | ||
| Methyl violet 2B | Gentian violet B | Basic violet 1 | 42535 | triarylmethane | |
| Methyl violet 6B | 42536 | triarylmethane | |||
| Methyl yellow | Butter yellow | Solvent yellow 2 | 11020 | azo | |
| Methylene blue | Swiss blue | Basic blue 9 Solvent blue 8 | 52015 | thiazin | |
| Methylene green | Basic green 5 | 52020 | thiazin | ||
| Milling red G | 25110 | diazo | |||
| Milling red FR | 25115 | diazo | |||
| Milling yellow 3G | Acid yellow 40 | 18950 | azo | ||
| Mordant brown 33 | Acid chrome brown RH | Mordant brown 33 | 13250 | azo | |
| Mordant red 19 | Chrome red 5G | Mordant red 19 | 18735 | azo | |
| Mordant yellow 16 | Mordant yellow 16 | 25100 | diazo | ||
| Morelloflavone | Fukugetin | Natural yellow 24 | 75600 | natural | |
| Morin | Calico yellow | Natural yellow 11 | 75660 | natural | |
| Morindin | anthraquinone | ||||
| Morindone | 75430 | anthraquinone | |||
| Murexide | Ammonium purpurate | 56085 | aminoketone | ||
| Naphthalene blue black CS | Blauschwartz NSF | Acid black 41 | 20480 | diazo | |
| 2-Naphthol | β-naphthol | Azoic coupling component 1 | 37500 | diazonium salt | |
| Naphthol green B | Acid green 1 | 10020 | nitroso | ||
| Naphthol yellow S | Sulfur yellow S | Acid yellow 1 Food yellow 1 | 10316 | nitro | |
| Naphthylamin Brown F | Acid brown 6 | 14625 | azo | ||
| Neutral red | Toluylene red | Basic red 5 | 50040 | eurhodin | |
| New fuchsine | Magenta III | Basic violet 2 | 42520 | triarylmethane | |
| New methylene blue | NMB | Basic blue 24 | 52030 | thiazine | |
| Night blue | Basic blue 15 | 44085 | triarylmethane | ||
| Nigrosin | Solvent black 5 | 50415 | azine | ||
| Nigrosin WS | Acid black 2 | 50420 | azine | ||
| Nile blue | Nile blue sulphate | Basic blue 12 | 51180 | oxazin | |
| Nile red | Nile blue oxazone | oxazone | |||
| 5-Nitro-o-anisidine | 2-Methoxy-5-nitroaniline | Azoic diazo component 13 | 37130 | diazo | |
| Nuclear fast red | Kernechtrot Calcium red | 60760 | anthraquinone | ||
| Oil Blue 35 | Transparent blue 2N | Solvent blue 35 | 61554 | anthraquinone | |
| Oil Blue A | Unisol blue AS | Solvent blue 36 | 61551 | anthraquinone | |
| Oil Orange SS | Orange OT | Solvent Orange 2 | 12100 | azo | |
| Oil Red O | Sudan red 5B | Solvent red 27 | 26125 | diazo | |
| Olsalazine sodium | Mordant yellow 5 | 14130 | azo | | |
| Orange B | Acid orange 137 | 19235 | azo | ||
| Orange G | Orange gelb | Acid orange 10 | 16230 | azo | |
| Para red | Paranitraniline red | Pigment red 1 | 12070 | azo | |
| Pararosanilin | Magenta 0 Basic fuchsin | Basic red 9 | 42500 | triarylmethane | |
| Patent Blue V | Sulphan blue | Acid blue 3 Food blue 5 | 42051 | triarylmethane | |
| Perylenetetracarboxylic dianhydride | PTCDA | Pigment red 224 | 71127 | perylene | |
| p-Phenylenediamine | Paraphenylenediamine | Developer 13 | 76060 | oxidation base | |
| Phloxine B | Acid red 92 | 45410 | fluorone | ||
| Picric acid | Trinitrophenol | 10305 | nitro | ||
| Pigment Red 122 | 2,9-dimethylquinacridone | Pigment Rot 122 Pigment red 122 | 73915 | quinacridone | |
| Pigment Red 179 | Perylene maroon | Vat red 23 Pigment red 179 | 71130 | perylene | |
| Pigment Red 190 | Vat red 29 Pigment red 190 | 71140 | perylene | ||
| Pigment Violet 29 | Pigment violet 29 Pigment brown 26 | 71129 | perylene | ||
| Ponceau 2R | Xylidine ponceau | Acid red 26 Food red 5 | 16150 | azo | |
| Ponceau 3R | FD&C Red No. 1 | Food red 6 | 16155 | azo | |
| Ponceau 4R | Cochineal red A Brilliant scarlet 3R | Acid red 18 | 16255 | azo | |
| Ponceau 6R | Crystal scarlet Crystal ponceau 6R Brilliant crystal scarlet 6R | Acid red 44 | 16250 | azo | |
| Ponceau S | Acid red 112 | 27195 | diazo | ||
| Primuline | Carnotine Chloramine yellow | Direct yellow 59 | 49010 | thiazole | |
| Prodan | naphthalene | ||||
| Purpurin | Alizarin purpurin 1,2,4-Trihydroxyanthraquinone | 58205 | anthraquinone | ||
| Purpuroxanthin | 1,3-Dihydroxyanthraquinone | 75340 | anthraquinone | ||
| Pyranine | D&C green 8 | Solvent green 7 | 59040 | pyrene | |
| Pyrogallol | Pyrogallic acid | Oxidation Base 32 | 76515 | oxidation base | |
| Pyronin B | 45010 | pyronin | |||
| Pyronin Y | Pyronin G | 45005 | pyronin | ||
| Quercetin | Xanthaurine | Natural yellow 10 | 75670 | natural | |
| Quercitrin | Thujin | 75720 | natural | ||
| Quinalizarin | Alizarin bordeaux B | Mordant violet 26 | 58500 | anthraquinone | |
| Quinizarin | 1,4-Dihydroxyanthraquinone | Solvent orange 86 | 58050 | anthraquinone | |
| Quinizarine Green SS | Solvent green 3 | 61565 | anthraquinone | ||
| Quinoline Yellow SS | Solvent yellow 33 | 47000 | quinoline | ||
| Quinoline Yellow WS | Japan yellow 203 | Acid yellow 3 Food yellow 13 | 47005 | quinoline | |
| Red HE-3B | Reactive red 120 | 292775 | diazo | ||
| Remazol Brilliant Blue R | Reactive blue 19 | 61200 | anthraquinone | ||
| Rhodamine 123 | rhodamine | ||||
| Rhodamine 6G | Basic red 1 | 45160 | rhodamine | ||
| Rhodamine B | Basic violet 10 | 45170 | rhodamine | ||
| Rhamnazin | 75700 | natural | |||
| Rhamnocitrin | Kaempferol 7-O-methyl ether | Natural green 2 | 75650 | natural | |
| Riboflavin-5-Sodium Phosphate | Coflavinase | ||||
| Rose bengal | Acid red 94 | 45440 | fluorone | ||
| Rottlerin | Kamala | Natural yellow 25 | 75310 | natural | |
| Ruthenium red | Ammoniated ruthenium oxychloride | 77800 | inorganic | ||
| Rutin | Rutoside Sophorin | 75730 | natural | ||
| Saffron | Crocin | Natural yellow 6 Natural yellow 19 Natural red 1 | 75100 | natural | |
| Safranin O | Basic red 2 | 50240 | safranin | ||
| Scarlet GN | Ponceau SX | Food red 1 | 14700 | azo | |
| Seminaphtharhodafluor | SNARF | fluorone | |||
| Sirius red 4B | Chlorantine fast red 5B | Direct red 81 | 28160 | diazo | |
| Sirius red F3B | Direct red 80 | 35780 | diazonium salt | ||
| Sirius scarlet GG | Durazol scarlet 2G Solantine scarlet G | Direct red 76 | 40270 | stilbene | |
| Smoke royal purple | 1,4-Diamino-2,3-dihydroanthraquinone | Solvent violet 47 | 61690 | anthraquinone | |
| Solvent Red 26 | Oil red EGN | Solvent red 26 | 26120 | diazo | |
| Solvent Violet 13 | Oil violet 401 D&C Violet No.2 | Solvent violet 13 Disperse blue 72 | 60725 | anthraquinone | |
| Solvent Yellow 56 | Euromarker Sudan 455 | Solvent yellow 56 | 11021 | azo | |
| Solvent Yellow 124 | Euromarker SY 124 | Solvent yellow 124 | 111155 | azo | |
| Spirit blue | Opal blue SS | Solvent blue 23 | 42760 | triarylmethane | |
| Stains-all | DBTC | thiazole | |||
| Sudan Black B | Fat black HB | Solvent Black 3 | 26150 | azo | |
| Sudan I | Solvent yellow R | Solvent yellow 14 | 12055 | azo | |
| Sudan II | Sudan red | Solvent orange 7 | 12140 | azo | |
| Sudan III | Sudan red BK | Solvent red 23 | 26100 | diazo | |
| Sudan IV | Scarlet R Scharlach R Biebrich scarlet R | Solvent red 24 | 26105 | diazo | |
| Sudan Red 7B | Novasol red RN | Solvent red 19 | 26050 | diazo | |
| Sudan Red G | Oil red G | Solvent red 1 | 12150 | azo | |
| Sudan Yellow 3G | Solvent yellow 16 | 12700 | azo | ||
| Sulforhodamine 101 | SR101 | rhodamine | |||
| Sulphur black 1 | Sulphur black 1 | 53185 | sulfur | ||
| Sulphur black 11 | Sulphur black 11 | 53190 | sulfur | ||
| Sulphur blue 7 | Sulphur blue 7 | 53440 | sulfur | ||
| Sun yellow | Direct yellow 11 | 40000 | stilbene | ||
| Sunset yellow FCF | Orange yellow S | Food yellow 3 | 15985 | azo | |
| SYBR Green I | cyanine | ||||
| Tartrazine | Acid yellow T Hydrazine yellow | Acid yellow 23 | 19140 | azo | |
| Texas Red | Sulforhodamine 101 acid chloride | rhodamine | |||
| Thioflavine S | Direct yellow 7 | 49010 | thiazole | ||
| Thioflavine T | Basic yellow 1 | 49005 | thiazole | ||
| Thioindigo | DyStar | Vat red 41 | 73300 | thioindigo | |
| Thionin | Lauth's violet | 52000 | thiazin | ||
| Thymolphthalein | triarylmethane | ||||
| Titan yellow | Clayton yellow | Direct yellow 9 | 19540 | azo | |
| Toluidine blue | Tolonium chloride | Basic blue 17 | 52040 | thiazin | |
| Tropaeolin O | Chrysoine resorcinol Sulpho orange Gold yellow | Acid orange 6 Food yellow 8 | 14270 | azo | |
| Tropaeolin OO | Fast yellow | Acid orange 5 | 13080 | azo | |
| Tropaeolin OOO2 | Orange II 2-napththol orange | Acid Orange 7 | 15510 | azo | |
| Trypan blue | Niagara blue 3B | Direct blue 14 | 23850 | diazo | |
| Tyrian purple | Phoenician red | Natural violet 1 | 75800 | natural | |
| Uranin | Fluoresceine sodium | Acid yellow 73 | 45350 | fluorone | |
| Vat Blue 6 | Blue K | Vat blue 6 | 69825 | anthraquinone | |
| Vat Blue 36 | Vat blue 36 | 73675 | indigoid | ||
| Vat brown 1 | Vat brown 1 | 70802 | anthraquinone | ||
| Vat Green 1 | Jade green base | Vat green 1 | 59825 | anthraquinone | |
| Vat Green 9 | Vat black BB | Vat green 9 | 59850 | anthraquinone | |
| Vat Orange 1 | Vat golden yellow RK | Vat orange 1 | 59105 | anthraquinone | |
| Vat Yellow 1 | Flavanthrone Indofast yellow | Vat yellow 1 | 70600 | anthraquinone | |
| Vat yellow 2 | Vat yellow 2 | 67300 | anthraquinone | ||
| Victoria blue 4R | Basic blue 8 | 42563 | triarylmethane | ||
| Victoria blue B | Basic blue 26 | 44045 | triarylmethane | ||
| Victoria blue BO | Basic blue 7 | 42595 | triarylmethane | ||
| Victoria blue R | Basic blue 11 | 44040 | triarylmethane | ||
| Violanthrone | Dibenzanthrone | Vat blue 20 | 59800 | violanthrone | |
| Water blue | Aniline blue | Acid blue 22 | 42755 | triarylmethane | |
| Woodstain scarlet | Crocein scarlet 3B Brilliant crocein MOO | Acid red 73 | 27290 | diazo | |
| Wool red B | Fast milling red B | Acid red 115 | 27200 | diazo | |
| Xylene cyanol FF | Acid blue 147 | 42135 | triarylmethane | ||
| Yellow 2G | Lissamine fast yellow | Acid yellow 17 Food yellow 5 | 18965 | azo | |
| Yellow H-A | Reactive yellow 3 | 13245 | azo |
Note
- Synonyms should be treated with caution because they are often used inconsistently, see discussion page and external link