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anthraquinone

[ an-thruh-kwuh-nohn, -kwee-nohn, -kwin-ohn ]

noun

, Chemistry.
  1. a yellow, water-insoluble, crystalline powder, C 14 H 8 O 2 , usually derived from anthracene or phthalic anhydride: used chiefly in the manufacture of anthraquinone dyes.


anthraquinone

/ -ˈkwɪnəʊn; ˌænθrəkwɪˈnəʊn /

noun

  1. a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes , which have excellent colour properties. Formula: C 6 H 4 (CO) 2 C 6 H 4
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


anthraquinone

/ ăn′thrə-kwĭ-nōn,-kwĭnōn′ /

  1. A yellow crystalline powder that is insoluble in water and used chiefly in the manufacture of dyes. Chemical formula: C 14 H 8 O 2 .


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Word History and Origins

Origin of anthraquinone1

First recorded in 1880–85; anthra(cene) + quinone
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Word History and Origins

Origin of anthraquinone1

C19: anthra ( cene ) + quinone
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Example Sentences

The anthraquinone thus produced is washed and dissolved at a moderate heat in sulphuric acid.

One of them was prepared from anthraquinone selenocyanide, by the action of ammonia under pressure.

So far only the diselenides of anthraquinone and their phenols are recognized remedies.

Another trihydroxy-anthraquinone, although not obtained directly from anthracene, must be claimed as a tar-product.

Various synthetic processes have been used for the preparation of anthraquinone.

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anthranilic acidanthraquinone dye