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phenylhydrazine

American  
[fen-l-hahy-druh-zeen, -zin, feen-] / ˌfɛn lˈhaɪ drəˌzin, -zɪn, ˌfin- /

noun

Chemistry.
  1. a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.


Etymology

Origin of phenylhydrazine

1895–1900; < German Phenylhydrazin; see phenyl, hydrazine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

By this method the manufacture of phenylhydrazine and other hydrazines is effected on a large scale—all kinds of amido-compounds and their sulpho-acids can be diazotised and reduced to their hydrazines.

From Coal and What We Get from It by Meldola, Raphael

One cc. dissolved in 50 cc. of water and treated with a freshly prepared clear solution of phenylhydrazine acetate should give no appreciable precipitate.

From Organic Syntheses by Conant, James Bryant

The vapors of phenylhydrazine should not be inhaled.

From Organic Syntheses by Conant, James Bryant

In order to obtain the maximum yield, it is necessary to cool the hydrochloric acid solution of the phenylhydrazine hydrochloride from 20'0 to 0'0, before filtration.

From Organic Syntheses by Conant, James Bryant

It does not react with sodium or with phenylhydrazine, but yields dye-stuffs with isatin and phenanthrenequinone.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

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