para-toluidine

[par-uh-tuh-loo-i-deen, -din]
noun Chemistry.
  1. a white, flaky, lustrous, very slightly water-soluble solid, C7H9N, the para isomer of toluidine, used in the manufacture of dyes, in organic synthesis, and as a reagent in tests for nitrite, lignin, and phloroglucinol.
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