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单词
para-nitrophenylhydrazine
释义
para-nitrophenylhydrazine
para
-nitrophenylhydrazine
[
¦par·ə ¦nī·trō¦fen·əl′hī·drə‚zēn
]
(organic chemistry)
C
6
H
7
N
3
O
2
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.
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更新时间:2026/6/24 15:32:41