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[fen-l-hahy-druh-zeen, -zin, feen-]
noun Chemistry.
  1. a yellow, poisonous liquid or low-melting solid, C6H8N2, used in chemical analysis and organic synthesis.
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Origin of phenylhydrazine

1895–1900; < German Phenylhydrazin; see phenyl, hydrazine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for phenylhydrazine

Historical Examples of phenylhydrazine

  • Phenylhydrazine is a colourless oily liquid which turns brown on exposure.

    Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1


  • With Phenylhydrazine hydrochloride and sodium acetate in aqueous solution it forms a glucosazone, melting at 199°.

  • After fermenting away the hexoses, the residue was treated with phenylhydrazine and an osazone separated.

  • Zinc dust and alcoholic acetic acid reduce it to aniline and phenylhydrazine.