para-nitrophenylhydrazine

para-nitrophenylhydrazine

[¦par·ə ¦nī·trō¦fen·əl′hī·drə‚zēn]
(organic chemistry)
C6H7N3O2 An orange-red, crystalline compound with a melting point of about 157°C; soluble in hot water or hot benzene; used as a reagent for aliphatic aldehydes and ketones.