a yellow, poisonous liquid or low-melting solid, C6H8N2, used in chemical analysis and organic synthesis.
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How to use phenylhydrazine in a sentence
phenylhydrazine is a colourless oily liquid which turns brown on exposure.
Zinc dust and alcoholic acetic acid reduce it to aniline and phenylhydrazine.
After fermenting away the hexoses, the residue was treated with phenylhydrazine and an osazone separated.Researches on Cellulose | C. F. Cross
With phenylhydrazine hydrochloride and sodium acetate in aqueous solution it forms a glucosazone, melting at 199°.Poisons: Their Effects and Detection | Alexander Wynter Blyth