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Fuchsine (sometimes spelled fuchsin) or rosaniline hydrochloride is a magenta dye with chemical formula C 20 H 19 N 3 ·HCl. [1] [2] There are other similar chemical formulations of products sold as fuchsine, and several dozen other synonyms of this molecule. [1] It becomes magenta when dissolved in water; as a solid, it forms dark green crystals.
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Color Fuchsia Flowers of the fuchsia plant Color coordinates Hex triplet #FF00FF sRGB B (r, g, b) (255, 0, 255) HSV (h, s, v) (300°, 100%, 100%) CIELCh uv (L, C, h) (60, 137, 308°) Source W3C CSS Color Module B: Normalized to [0–255] (byte) Fuchsia is a vivid pinkish-purplish- red ...
New fuchsine is an organic compound with the formula [(H 2 N(CH 3)C 6 H 3) 3 C]Cl. It is a green-colored solid that is used as a dye of the triarylmethane class. It is one of the four components of basic fuchsine , and one of the two that are available as single dyes. [ 1 ]
Acid fuchsin or fuchsine acid, (also called Acid Violet 19 [1] and C.I. 42685 [1]) is an acidic magenta dye with the chemical formula C 20 H 17 N 3 Na 2 O 9 S 3. It is a sodium sulfonate derivative of fuchsine. Acid fuchsin has wide use in histology, [1] and is one of the dyes used in Masson's trichrome stain. [2]
The structure of the fuchsin dye. The Schiff test is an early organic chemistry named reaction developed by Hugo Schiff, [1] and is a relatively general chemical test for detection of many organic aldehydes that has also found use in the staining of biological tissues. [2]
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French chemist François-Emmanuel Verguin reacted aniline with stannic chloride to yield fuchsine, a rose colored dye, the first of the triphenylmethane dyes. Further work by Hoffman [18] along with the discovery of benzene’s structure (1858) and carbon’s tetravalency(1865), this science built the groundwork for modern organic chemistry. [19]
Carbol fuchsin, carbol-fuchsin, carbolfuchsin, or Castellani's paint (CAS) is a mixture of phenol and basic fuchsin that is used in bacterial staining procedures. It is commonly used in the staining of mycobacteria because it has an affinity for the mycolic acids found in their cell membranes .