Wurster's salt

noun Wur·ster's salt \ˈwər|stərz-, ˈwu̇(r)|, ˈvu̇r|\

Definition of Wurster's salt

  1. :  any of several deeply colored semiquinones formed by partial oxidation (as with bromine) of the conjugate acid of para-phenylenediamine or its N-alkyl derivatives: such as a or Wurster's red or Wurster's red salt :  a red product made from N,N-dimethyl-para-phenylenediamine b or Wurster's blue or Wurster's blue salt :  a blue product made from tetramethyl-para-phenylenediamine

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Origin and Etymology of wurster's salt

after C. Wurster fl1805 German chemist

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