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nitrophenol
[ nahy-truh-fee-nawl, -nol ]
noun
, Chemistry.
- any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- any of three water-soluble, crystalline isomers of such a derivative, having the formula C 6 H 5 NO 3 , occurring in yellow ortho-nitrophenol, pale-yellow meta-nitrophenol, and yellowish para-nitrophenol solids, used chiefly as intermediates in organic synthesis and as indicators.
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Word History and Origins
Origin of nitrophenol1
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Example Sentences
If an alkali is added, however, a highly dissociated salt of para-nitrophenol is formed, and the yellow colour is at once evident.
From Project Gutenberg
Thus para-nitrophenol has colourless molecules, but an intensely yellow negative ion.
From Project Gutenberg
This equilibrium curve, therefore, shows that o-nitrophenol and p-toluidine do not combine with one another.
From Project Gutenberg
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