Mauveine
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Mauveine, also known as aniline purple and Perkin's mauve, was one of the first synthetic dyes. It was discovered serendipitously by William Henry Perkin in 1856 while he was attempting to synthesise
Letter from Perkin's son, with a sample of dyed silk
Professor Charles Rees—wearing a bow tie dyed with an original sample of mauveine—holding an RSC journal named after Perkin
Aniline
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Aniline is an organic compound with the formula C6H5NH2. Consisting of a phenyl group attached to an amino group, aniline is the simplest aromatic amine. It is an industrially significant commodity ch
Mauveine
…Mauveine is a mixture of four related aromatic compounds differing in number and placement of methyl groups. Its organic synthesis involves dissolving aniline, p-toluidine, and o-toluidine in sulfuric acid and water in a roughly 1:1:2 ratio, then adding potassium dichromate. Mauveine A (C26H23N+4X−) incorporates…
Sample of 2,6-diisopropylaniline, a colorless liquid when pure, illustrating the tendency of anilines to air-oxidize to dark-colored products.
Aniline can react with bromine even in room temperatures in water. Acetyl chloride is added to prevent tribromination.
Cake of indigo dye, which is prepared from aniline.