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

anthraquinone

/ ăn′thrə-kwĭ-nōn′,-kwĭn′ōn′ /

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 .

Word History and Origins

Origin of anthraquinone¹

First recorded in 1880–85; anthra(cene) + quinone

Word History and Origins

Origin of anthraquinone¹

C19: anthra ( cene ) + quinone

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg