The Daily Molecule

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Wurster's Blue

Posted May 21, 2008 at 06:12 AM.

Wurster's Blue is the trivial name given to the chemical N,N,N′,N′-tetramethyl-p-phenylenediamine, also known as TMPD. It is an easily oxidised phenylenediamine, which loses two electrons in one-electron oxidation steps; the radical cation is a characteristic blue-violet colour, which gives the compound part of its name. The remaining part of its name comes from its discoverer, the German chemist Casimir Wurster (August 7 1854 - 29 November 1913).

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Wurster's Blue.