anthraquinone

American  

[an-thruh-kwuh-nohn, -kwee-nohn, -kwin-ohn] / ˌæn θrə kwəˈnoʊn, -ˈkwi noʊn, -ˈkwɪn oʊn /

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.

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anthraquinone British  

/ ˌænθrəkwɪˈnəʊn, -ˈkwɪnəʊn /

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

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anthraquinone Scientific  

/ 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 .

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Etymology

Origin of anthraquinone

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

Example Sentences

See Examples For:

anthraquinone

Traditional industrial production of H2O2 via the anthraquinone process using hydrogen and oxygen, is highly energy-intensive.

From Science Daily ● Feb. 28, 2024

The quinone with which we are at present concerned is anthraquinone.

From Coal and What We Get from It by Raphael Meldola

Various sulphonic acids of anthraquinone are known, as well as oxy-derivatives, for the preparation and properties of which see Alizarin.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

It is then removed to lead-lined tanks and again washed with water and dried; the product obtained contains about 95% of anthraquinone.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

A more delicate method consists in adding a very little anthraquinone and sodium amalgam; absolute alcohol gives a green coloration, but in the presence of minute traces of water a red coloration appears.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg