Tartrazine

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Tartrazine \Tar"tra*zine\, n. [Tartaric + hydrazine.] (Chem.)
     An artificial dyestuff obtained as an orange-yellow powder,
     and regarded as a phenyl hydrazine derivative of tartaric and
     sulphonic acids.
     [1913 Webster]