Dyes

Erythrosine, also known as Red No.

Indigo dye is an organic compound with a distinctive blue color (see indigo).

Resazurin (7-Hydroxy-3H-phenoxazin-3-one 10-oxide) is a blue dye, itself weakly fluorescent until it is irreversibly reduced to the pink colored and highly red fluorescent resorufin.

Carthamin is a natural red pigment derived from safflower (Carthamus tinctorius), earlier known as carthamine.

Aluminium or aluminum (in North American English) is a chemical element in the boron group with symbol Al and atomic number 13.

Aniline is a toxic organic compound with the formula C6H5NH2.

Calcium carbonate is a chemical compound with the formula CaCO3.

A dye is a colored substance that has an affinity to the substrate to which it is being applied.

Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation.

Riboflavin (vitamin B2) is part of the vitamin B group.

Viridian is a blue-green pigment, a hydrated chromium(III) oxide, of medium saturation and relatively dark in value.

Methylene blue (CI 52015), also known as methylthioninium chloride, has many uses in biology and chemistry; for example, it can be used as a stain and as a medication.

Dyeing is the process of adding color to textile products like fibers, yarns, and fabrics.

Rose madder is the commercial name sometimes used to designate a paint made from the pigment madder lake, a traditional lake pigment extracted from the common madder plant Rubia tinctorum.

Gamboge (/ɡæmˈboʊʒ/ gam-BOHZH, /ɡæmˈboʊdʒ/ gam-BOHJ, or /ɡæmˈbuːʒ/ gam-BOOZH) is a partially transparent deep saffron to mustard yellow pigment.

Astaxanthin /æstəˈzænθᵻn/ is a keto-carotenoid.

The term carotene (also carotin, from the Latin carota, "carrot") is used for many related unsaturated hydrocarbon substances having the formula C40Hx, which are synthesized by plants but in general cannot be made by animals (with the sole known exception of some aphids and spider mites which acquired the synthetic genes from fungi).

Ethidium bromide is an intercalating agent commonly used as a fluorescent tag (nucleic acid stain) in molecular biology laboratories for techniques such as agarose gel electrophoresis.

Murexide (NH4C8H4N5O6, or C8H5N5O6·NH3), also called ammonium purpurate or MX, is the ammonium salt of purpuric acid.

Quinoline Yellow WS is a mixture of organic compounds derived from the dye Quinoline Yellow SS (Spirit Soluble).

Auramine O is a diarylmethane dye used as a fluorescent stain.

Paris green (copper(II) acetate triarsenite or copper(II) acetoarsenite) is an inorganic compound.

Dansyl amide is a reactive fluorescent dye that is used in biochemistry and chemistry to label substances with the fluorescent dansyl group.

Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by sulfonation, which renders the compound soluble in water.

Coomassie Brilliant Blue is the name of two similar triphenylmethane dyes that were developed for use in the textile industry but are now commonly used for staining proteins in analytical biochemistry.

Azorubine, carmoisine, Food Red 3, Azorubin S, Brillantcarmoisin O, Acid Red 14, or C.

Tekhelet (Hebrew: תכלת təḵêleṯ, "blue-violet", or "blue", or "turquoise" (alternate spellings include tekheleth, t'chelet, techelet and techeiles) is a blue dye mentioned 49 times in the Hebrew Bible/Tanakh. It was used in the clothing of the High Priest, the tapestries in the Tabernacle, and the tassels (Hebrew: ציצית, Tzitzit (or Ṣiṣiyot) [tsiˈtsit], pl. Tzitziyot or Ṣiṣiyot) affixed to the corners of one's four-cornered garment, such as the Tallit (garment worn during prayer, usually).

Kumkuma is a powder used for social and religious markings in India.

Sepia is a reddish-brown color, named after the rich brown pigment derived from the ink sac of the common cuttlefish Sepia.

Indican is a colourless organic compound, soluble in water, naturally occurring in Indigofera plants.

INT or 2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyl-2H-tetrazolium is a popularly used tetrazolium salt (usually chloride), similar to tetrazolium chloride that on reduction produces a red formazan dye that can be used for quantitative redox assays.

Naphthol Green B is a green nitroso dye.

Martius yellow is a compound with formulaC10H6N2O5.

Propidium monoazide (PMA) is a photoreactive DNA-binding dye that preferentially binds to dsDNA.

Naphthol yellow S is a compound with formula Na2(C10H4SN2O8).

Dip dye (also known as "tip dyeing") is a hair coloring style that involves dipping the ends of the hair into either a naturally colored dye or a bright colored dye - which is generally a more popular choice.

Gallocyanin is a chemical compound classified as a phenoxazine dye.

CLD is a vibrant blue dye originally synthesized for application in nonlinear electro-optics.

ANNINE-6plus is a water soluble voltage sensitive dye (also called potentiometric dyes).

4-Nitroaniline, p-nitroaniline or 1-amino-4-nitrobenzene is an organic compound with the formula C6H6N2O2.

Viologens are toxic bipyridinium derivatives of 4,4'-bipyridyl.

Fluorescence is used in the life sciences generally as a non-destructive way of tracking or analysing biological molecules by means of fluorescence.

Disperse Yellow 26 is a disperse dye.

2-Nitrodiphenylamine, also called NDPA, 2-NDPA, 2NO2DPA, Sudan Yellow 1339, C.

Brooker's merocyanine (1-methyl-4-[(oxocyclohexadienylidene)ethylidene]-1,4-dihydropyridine, MOED) is an organic dye belonging to the class of merocyanines.